Merge /spare/repo/linux-2.6/

21 files changed, 380 insertions, 33 deletions

diff --git a/include/asm-ia64/agp.h b/include/asm-ia64/agp.h
index d1316f1e6ee..4e517f0e6af 100644
--- a/include/asm-ia64/agp.h
+++ b/include/asm-ia64/agp.h
@@ -18,4 +18,14 @@
 #define flush_agp_mappings()		/* nothing */
 #define flush_agp_cache()		mb()
 
+/* Convert a physical address to an address suitable for the GART. */
+#define phys_to_gart(x) (x)
+#define gart_to_phys(x) (x)
+
+/* GATT allocation. Returns/accepts GATT kernel virtual address. */
+#define alloc_gatt_pages(order)		\
+	((char *)__get_free_pages(GFP_KERNEL, (order)))
+#define free_gatt_pages(table, order)	\
+	free_pages((unsigned long)(table), (order))
+
 #endif /* _ASM_IA64_AGP_H */
diff --git a/include/asm-ia64/break.h b/include/asm-ia64/break.h
index 97c7b2d7960..8167828edc4 100644
--- a/include/asm-ia64/break.h
+++ b/include/asm-ia64/break.h
@@ -12,6 +12,8 @@
  * OS-specific debug break numbers:
  */
 #define __IA64_BREAK_KDB		0x80100
+#define __IA64_BREAK_KPROBE		0x80200
+#define __IA64_BREAK_JPROBE		0x80300
 
 /*
  * OS-specific break numbers:
diff --git a/include/asm-ia64/compat.h b/include/asm-ia64/compat.h
index cc0ff0a4bdd..0c05e5bad8a 100644
--- a/include/asm-ia64/compat.h
+++ b/include/asm-ia64/compat.h
@@ -27,6 +27,7 @@ typedef u16		compat_ipc_pid_t;
 typedef s32		compat_daddr_t;
 typedef u32		compat_caddr_t;
 typedef __kernel_fsid_t	compat_fsid_t;
+typedef s32		compat_timer_t;
 
 typedef s32		compat_int_t;
 typedef s32		compat_long_t;
diff --git a/include/asm-ia64/fcntl.h b/include/asm-ia64/fcntl.h
index d193981bb1d..c9f8d835d0c 100644
--- a/include/asm-ia64/fcntl.h
+++ b/include/asm-ia64/fcntl.h
@@ -81,4 +81,6 @@ struct flock {
 
 #define F_LINUX_SPECIFIC_BASE	1024
 
+#define force_o_largefile() ( ! (current->personality & PER_LINUX32) )
+
 #endif /* _ASM_IA64_FCNTL_H */
diff --git a/include/asm-ia64/ioctl32.h b/include/asm-ia64/ioctl32.h
deleted file mode 100644
index d0d227f45e0..00000000000
--- a/include/asm-ia64/ioctl32.h
+++ /dev/null
@@ -1 +0,0 @@
-#include <linux/ioctl32.h>
diff --git a/include/asm-ia64/kdebug.h b/include/asm-ia64/kdebug.h
new file mode 100644
index 00000000000..4d376e1663f
--- /dev/null
+++ b/include/asm-ia64/kdebug.h
@@ -0,0 +1,61 @@
+#ifndef _IA64_KDEBUG_H
+#define _IA64_KDEBUG_H 1
+/*
+ * include/asm-ia64/kdebug.h
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ *
+ * Copyright (C) Intel Corporation, 2005
+ *
+ * 2005-Apr     Rusty Lynch <rusty.lynch@intel.com> and Anil S Keshavamurthy
+ *              <anil.s.keshavamurthy@intel.com> adopted from
+ *              include/asm-x86_64/kdebug.h
+ */
+#include <linux/notifier.h>
+
+struct pt_regs;
+
+struct die_args {
+	struct pt_regs *regs;
+	const char *str;
+	long err;
+	int trapnr;
+	int signr;
+};
+
+int register_die_notifier(struct notifier_block *nb);
+extern struct notifier_block *ia64die_chain;
+
+enum die_val {
+	DIE_BREAK = 1,
+	DIE_SS,
+	DIE_PAGE_FAULT,
+};
+
+static inline int notify_die(enum die_val val, char *str, struct pt_regs *regs,
+			     long err, int trap, int sig)
+{
+	struct die_args args = {
+		.regs   = regs,
+		.str    = str,
+		.err    = err,
+		.trapnr = trap,
+		.signr  = sig
+	};
+
+	return notifier_call_chain(&ia64die_chain, val, &args);
+}
+
+#endif
diff --git a/include/asm-ia64/kprobes.h b/include/asm-ia64/kprobes.h
new file mode 100644
index 00000000000..7b700035e36
--- /dev/null
+++ b/include/asm-ia64/kprobes.h
@@ -0,0 +1,116 @@
+#ifndef _ASM_KPROBES_H
+#define _ASM_KPROBES_H
+/*
+ *  Kernel Probes (KProbes)
+ *  include/asm-ia64/kprobes.h
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ *
+ * Copyright (C) IBM Corporation, 2002, 2004
+ * Copyright (C) Intel Corporation, 2005
+ *
+ * 2005-Apr     Rusty Lynch <rusty.lynch@intel.com> and Anil S Keshavamurthy
+ *              <anil.s.keshavamurthy@intel.com> adapted from i386
+ */
+#include <linux/types.h>
+#include <linux/ptrace.h>
+#include <asm/break.h>
+
+#define BREAK_INST	(long)(__IA64_BREAK_KPROBE << 6)
+
+typedef union cmp_inst {
+	struct {
+	unsigned long long qp : 6;
+	unsigned long long p1 : 6;
+	unsigned long long c  : 1;
+	unsigned long long r2 : 7;
+	unsigned long long r3 : 7;
+	unsigned long long p2 : 6;
+	unsigned long long ta : 1;
+	unsigned long long x2 : 2;
+	unsigned long long tb : 1;
+	unsigned long long opcode : 4;
+	unsigned long long reserved : 23;
+	}f;
+	unsigned long long l;
+} cmp_inst_t;
+
+struct kprobe;
+
+typedef struct _bundle {
+	struct {
+		unsigned long long template : 5;
+		unsigned long long slot0 : 41;
+		unsigned long long slot1_p0 : 64-46;
+	} quad0;
+	struct {
+		unsigned long long slot1_p1 : 41 - (64-46);
+		unsigned long long slot2 : 41;
+	} quad1;
+} __attribute__((__aligned__(16)))  bundle_t;
+
+#define JPROBE_ENTRY(pentry)	(kprobe_opcode_t *)pentry
+
+#define SLOT0_OPCODE_SHIFT	(37)
+#define SLOT1_p1_OPCODE_SHIFT	(37 - (64-46))
+#define SLOT2_OPCODE_SHIFT 	(37)
+
+#define INDIRECT_CALL_OPCODE		(1)
+#define IP_RELATIVE_CALL_OPCODE		(5)
+#define IP_RELATIVE_BRANCH_OPCODE	(4)
+#define IP_RELATIVE_PREDICT_OPCODE	(7)
+#define LONG_BRANCH_OPCODE		(0xC)
+#define LONG_CALL_OPCODE		(0xD)
+
+typedef struct kprobe_opcode {
+	bundle_t bundle;
+} kprobe_opcode_t;
+
+struct fnptr {
+	unsigned long ip;
+	unsigned long gp;
+};
+
+/* Architecture specific copy of original instruction*/
+struct arch_specific_insn {
+	/* copy of the instruction to be emulated */
+	kprobe_opcode_t insn;
+ #define INST_FLAG_FIX_RELATIVE_IP_ADDR		1
+ #define INST_FLAG_FIX_BRANCH_REG		2
+ 	unsigned long inst_flag;
+ 	unsigned short target_br_reg;
+};
+
+/* ia64 does not need this */
+static inline void jprobe_return(void)
+{
+}
+
+/* ia64 does not need this */
+static inline void arch_copy_kprobe(struct kprobe *p)
+{
+}
+
+#ifdef CONFIG_KPROBES
+extern int kprobe_exceptions_notify(struct notifier_block *self,
+				    unsigned long val, void *data);
+#else				/* !CONFIG_KPROBES */
+static inline int kprobe_exceptions_notify(struct notifier_block *self,
+					   unsigned long val, void *data)
+{
+	return 0;
+}
+#endif
+#endif				/* _ASM_KPROBES_H */
diff --git a/include/asm-ia64/mmzone.h b/include/asm-ia64/mmzone.h
index 9491dacc89c..d32f51e3d6c 100644
--- a/include/asm-ia64/mmzone.h
+++ b/include/asm-ia64/mmzone.h
@@ -17,6 +17,20 @@
 
 #ifdef CONFIG_DISCONTIGMEM
 
+static inline int pfn_to_nid(unsigned long pfn)
+{
+#ifdef CONFIG_NUMA
+	extern int paddr_to_nid(unsigned long);
+	int nid = paddr_to_nid(pfn << PAGE_SHIFT);
+	if (nid < 0)
+		return 0;
+	else
+		return nid;
+#else
+	return 0;
+#endif
+}
+
 #ifdef CONFIG_IA64_DIG /* DIG systems are small */
 # define MAX_PHYSNODE_ID	8
 # define NR_NODE_MEMBLKS	(MAX_NUMNODES * 8)
diff --git a/include/asm-ia64/param.h b/include/asm-ia64/param.h
index 6c6b679b7a9..5e1e0d2d7ba 100644
--- a/include/asm-ia64/param.h
+++ b/include/asm-ia64/param.h
@@ -27,7 +27,7 @@
    */
 #  define HZ	  32
 # else
-#  define HZ	1024
+#  define HZ	CONFIG_HZ
 # endif
 # define USER_HZ	HZ
 # define CLOCKS_PER_SEC	HZ	/* frequency at which times() counts */
diff --git a/include/asm-ia64/percpu.h b/include/asm-ia64/percpu.h
index 1e87f19dad5..2b14dee29ce 100644
--- a/include/asm-ia64/percpu.h
+++ b/include/asm-ia64/percpu.h
@@ -50,7 +50,7 @@ extern void *per_cpu_init(void);
 
 #else /* ! SMP */
 
-#define per_cpu(var, cpu)			(*((void)cpu, &per_cpu__##var))
+#define per_cpu(var, cpu)			(*((void)(cpu), &per_cpu__##var))
 #define __get_cpu_var(var)			per_cpu__##var
 #define per_cpu_init()				(__phys_per_cpu_start)
 
diff --git a/include/asm-ia64/perfmon.h b/include/asm-ia64/perfmon.h
index ed5416c5b1a..7f3333dd00e 100644
--- a/include/asm-ia64/perfmon.h
+++ b/include/asm-ia64/perfmon.h
@@ -177,6 +177,10 @@ typedef union {
 
 extern long perfmonctl(int fd, int cmd, void *arg, int narg);
 
+typedef struct {
+	void (*handler)(int irq, void *arg, struct pt_regs *regs);
+} pfm_intr_handler_desc_t;
+
 extern void pfm_save_regs (struct task_struct *);
 extern void pfm_load_regs (struct task_struct *);
 
@@ -187,6 +191,10 @@ extern void pfm_syst_wide_update_task(struct task_struct *, unsigned long info,
 extern void pfm_inherit(struct task_struct *task, struct pt_regs *regs);
 extern void pfm_init_percpu(void);
 extern void pfm_handle_work(void);
+extern int  pfm_install_alt_pmu_interrupt(pfm_intr_handler_desc_t *h);
+extern int  pfm_remove_alt_pmu_interrupt(pfm_intr_handler_desc_t *h);
+
+
 
 /*
  * Reset PMD register flags
diff --git a/include/asm-ia64/pgtable.h b/include/asm-ia64/pgtable.h
index ea121a00230..48586e08f43 100644
--- a/include/asm-ia64/pgtable.h
+++ b/include/asm-ia64/pgtable.h
@@ -8,7 +8,7 @@
  * This hopefully works with any (fixed) IA-64 page-size, as defined
  * in <asm/page.h>.
  *
- * Copyright (C) 1998-2004 Hewlett-Packard Co
+ * Copyright (C) 1998-2005 Hewlett-Packard Co
  *	David Mosberger-Tang <davidm@hpl.hp.com>
  */
 
@@ -283,6 +283,7 @@ ia64_phys_addr_valid (unsigned long addr)
 #define pte_mkyoung(pte)	(__pte(pte_val(pte) | _PAGE_A))
 #define pte_mkclean(pte)	(__pte(pte_val(pte) & ~_PAGE_D))
 #define pte_mkdirty(pte)	(__pte(pte_val(pte) | _PAGE_D))
+#define pte_mkhuge(pte)		(__pte(pte_val(pte) | _PAGE_P))
 
 /*
  * Macro to a page protection value as "uncacheable".  Note that "protection" is really a
@@ -551,7 +552,11 @@ do {											\
 
 /* These tell get_user_pages() that the first gate page is accessible from user-level.  */
 #define FIXADDR_USER_START	GATE_ADDR
-#define FIXADDR_USER_END	(GATE_ADDR + 2*PERCPU_PAGE_SIZE)
+#ifdef HAVE_BUGGY_SEGREL
+# define FIXADDR_USER_END	(GATE_ADDR + 2*PAGE_SIZE)
+#else
+# define FIXADDR_USER_END	(GATE_ADDR + 2*PERCPU_PAGE_SIZE)
+#endif
 
 #define __HAVE_ARCH_PTEP_TEST_AND_CLEAR_YOUNG
 #define __HAVE_ARCH_PTEP_TEST_AND_CLEAR_DIRTY
diff --git a/include/asm-ia64/processor.h b/include/asm-ia64/processor.h
index 9e1ba8b7fb6..91bbd1f2246 100644
--- a/include/asm-ia64/processor.h
+++ b/include/asm-ia64/processor.h
@@ -403,7 +403,10 @@ extern void ia64_setreg_unknown_kr (void);
  * task_struct at this point.
  */
 
-/* Return TRUE if task T owns the fph partition of the CPU we're running on. */
+/*
+ * Return TRUE if task T owns the fph partition of the CPU we're running on.
+ * Must be called from code that has preemption disabled.
+ */
 #define ia64_is_local_fpu_owner(t)								\
 ({												\
 	struct task_struct *__ia64_islfo_task = (t);						\
@@ -411,7 +414,10 @@ extern void ia64_setreg_unknown_kr (void);
 	 && __ia64_islfo_task == (struct task_struct *) ia64_get_kr(IA64_KR_FPU_OWNER));	\
 })
 
-/* Mark task T as owning the fph partition of the CPU we're running on. */
+/*
+ * Mark task T as owning the fph partition of the CPU we're running on.
+ * Must be called from code that has preemption disabled.
+ */
 #define ia64_set_local_fpu_owner(t) do {						\
 	struct task_struct *__ia64_slfo_task = (t);					\
 	__ia64_slfo_task->thread.last_fph_cpu = smp_processor_id();			\
diff --git a/include/asm-ia64/smp.h b/include/asm-ia64/smp.h
index 3ba1a061e4a..a3914352c99 100644
--- a/include/asm-ia64/smp.h
+++ b/include/asm-ia64/smp.h
@@ -46,7 +46,7 @@ ia64_get_lid (void)
 #define SMP_IRQ_REDIRECTION	(1 << 0)
 #define SMP_IPI_REDIRECTION	(1 << 1)
 
-#define smp_processor_id()	(current_thread_info()->cpu)
+#define raw_smp_processor_id() (current_thread_info()->cpu)
 
 extern struct smp_boot_data {
 	int cpu_count;
diff --git a/include/asm-ia64/sn/mspec.h b/include/asm-ia64/sn/mspec.h
new file mode 100644
index 00000000000..dbe13c6121a
--- /dev/null
+++ b/include/asm-ia64/sn/mspec.h
@@ -0,0 +1,59 @@
+/*
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (c) 2001-2004 Silicon Graphics, Inc.  All rights reserved.
+ */
+
+#ifndef _ASM_IA64_SN_MSPEC_H
+#define _ASM_IA64_SN_MSPEC_H
+
+#define FETCHOP_VAR_SIZE 64 /* 64 byte per fetchop variable */
+
+#define FETCHOP_LOAD		0
+#define FETCHOP_INCREMENT	8
+#define FETCHOP_DECREMENT	16
+#define FETCHOP_CLEAR		24
+
+#define FETCHOP_STORE		0
+#define FETCHOP_AND		24
+#define FETCHOP_OR		32
+
+#define FETCHOP_CLEAR_CACHE	56
+
+#define FETCHOP_LOAD_OP(addr, op) ( \
+         *(volatile long *)((char*) (addr) + (op)))
+
+#define FETCHOP_STORE_OP(addr, op, x) ( \
+         *(volatile long *)((char*) (addr) + (op)) = (long) (x))
+
+#ifdef __KERNEL__
+
+/*
+ * Each Atomic Memory Operation (AMO formerly known as fetchop)
+ * variable is 64 bytes long.  The first 8 bytes are used.  The
+ * remaining 56 bytes are unaddressable due to the operation taking
+ * that portion of the address.
+ *
+ * NOTE: The AMO_t _MUST_ be placed in either the first or second half
+ * of the cache line.  The cache line _MUST NOT_ be used for anything
+ * other than additional AMO_t entries.  This is because there are two
+ * addresses which reference the same physical cache line.  One will
+ * be a cached entry with the memory type bits all set.  This address
+ * may be loaded into processor cache.  The AMO_t will be referenced
+ * uncached via the memory special memory type.  If any portion of the
+ * cached cache-line is modified, when that line is flushed, it will
+ * overwrite the uncached value in physical memory and lead to
+ * inconsistency.
+ */
+typedef struct {
+        u64 variable;
+        u64 unused[7];
+} AMO_t;
+
+
+#endif /* __KERNEL__ */
+
+#endif /* _ASM_IA64_SN_MSPEC_H */
diff --git a/include/asm-ia64/sn/sn_sal.h b/include/asm-ia64/sn/sn_sal.h
index 56d74ca76b5..eb0395ad0d6 100644
--- a/include/asm-ia64/sn/sn_sal.h
+++ b/include/asm-ia64/sn/sn_sal.h
@@ -115,6 +115,13 @@
 #define SAL_IROUTER_INTR_XMIT	SAL_CONSOLE_INTR_XMIT
 #define SAL_IROUTER_INTR_RECV	SAL_CONSOLE_INTR_RECV
 
+/*
+ * Error Handling Features
+ */
+#define SAL_ERR_FEAT_MCA_SLV_TO_OS_INIT_SLV	0x1
+#define SAL_ERR_FEAT_LOG_SBES			0x2
+#define SAL_ERR_FEAT_MFR_OVERRIDE		0x4
+#define SAL_ERR_FEAT_SBE_THRESHOLD		0xffff0000
 
 /*
  * SAL Error Codes
@@ -342,6 +349,25 @@ ia64_sn_plat_cpei_handler(void)
 }
 
 /*
+ * Set Error Handling Features
+ */
+static inline u64
+ia64_sn_plat_set_error_handling_features(void)
+{
+	struct ia64_sal_retval ret_stuff;
+
+	ret_stuff.status = 0;
+	ret_stuff.v0 = 0;
+	ret_stuff.v1 = 0;
+	ret_stuff.v2 = 0;
+	SAL_CALL_REENTRANT(ret_stuff, SN_SAL_SET_ERROR_HANDLING_FEATURES,
+		(SAL_ERR_FEAT_MCA_SLV_TO_OS_INIT_SLV | SAL_ERR_FEAT_LOG_SBES),
+		0, 0, 0, 0, 0, 0);
+
+	return ret_stuff.status;
+}
+
+/*
  * Checks for console input.
  */
 static inline u64
@@ -472,7 +498,7 @@ static inline u64
 ia64_sn_pod_mode(void)
 {
 	struct ia64_sal_retval isrv;
-	SAL_CALL(isrv, SN_SAL_POD_MODE, 0, 0, 0, 0, 0, 0, 0);
+	SAL_CALL_REENTRANT(isrv, SN_SAL_POD_MODE, 0, 0, 0, 0, 0, 0, 0);
 	if (isrv.status)
 		return 0;
 	return isrv.v0;
diff --git a/include/asm-ia64/system.h b/include/asm-ia64/system.h
index 6f516e76d1f..cd2cf76b2db 100644
--- a/include/asm-ia64/system.h
+++ b/include/asm-ia64/system.h
@@ -183,8 +183,6 @@ do {								\
 
 #ifdef __KERNEL__
 
-#define prepare_to_switch()    do { } while(0)
-
 #ifdef CONFIG_IA32_SUPPORT
 # define IS_IA32_PROCESS(regs)	(ia64_psr(regs)->is != 0)
 #else
@@ -274,13 +272,7 @@ extern void ia64_load_extra (struct task_struct *task);
  * of that CPU which will not be released, because there we wait for the
  * tasklist_lock to become available.
  */
-#define prepare_arch_switch(rq, next)		\
-do {						\
-	spin_lock(&(next)->switch_lock);	\
-	spin_unlock(&(rq)->lock);		\
-} while (0)
-#define finish_arch_switch(rq, prev)	spin_unlock_irq(&(prev)->switch_lock)
-#define task_running(rq, p) 		((rq)->curr == (p) || spin_is_locked(&(p)->switch_lock))
+#define __ARCH_WANT_UNLOCKED_CTXSW
 
 #define ia64_platform_is(x) (strcmp(x, platform_name) == 0)
 
diff --git a/include/asm-ia64/thread_info.h b/include/asm-ia64/thread_info.h
index 8d5b7e77028..7dc8951708a 100644
--- a/include/asm-ia64/thread_info.h
+++ b/include/asm-ia64/thread_info.h
@@ -25,7 +25,7 @@ struct thread_info {
 	__u32 flags;			/* thread_info flags (see TIF_*) */
 	__u32 cpu;			/* current CPU */
 	mm_segment_t addr_limit;	/* user-level address space limit */
-	__s32 preempt_count;		/* 0=premptable, <0=BUG; will also serve as bh-counter */
+	int preempt_count;		/* 0=premptable, <0=BUG; will also serve as bh-counter */
 	struct restart_block restart_block;
 	struct {
 		int signo;
diff --git a/include/asm-ia64/topology.h b/include/asm-ia64/topology.h
index 21cf351fd05..4e64c2a6b36 100644
--- a/include/asm-ia64/topology.h
+++ b/include/asm-ia64/topology.h
@@ -42,25 +42,54 @@
 
 void build_cpu_to_node_map(void);
 
+#define SD_CPU_INIT (struct sched_domain) {		\
+	.span			= CPU_MASK_NONE,	\
+	.parent			= NULL,			\
+	.groups			= NULL,			\
+	.min_interval		= 1,			\
+	.max_interval		= 4,			\
+	.busy_factor		= 64,			\
+	.imbalance_pct		= 125,			\
+	.cache_hot_time		= (10*1000000),		\
+	.per_cpu_gain		= 100,			\
+	.cache_nice_tries	= 2,			\
+	.busy_idx		= 2,			\
+	.idle_idx		= 1,			\
+	.newidle_idx		= 2,			\
+	.wake_idx		= 1,			\
+	.forkexec_idx		= 1,			\
+	.flags			= SD_LOAD_BALANCE	\
+				| SD_BALANCE_NEWIDLE	\
+				| SD_BALANCE_EXEC	\
+				| SD_WAKE_AFFINE,	\
+	.last_balance		= jiffies,		\
+	.balance_interval	= 1,			\
+	.nr_balance_failed	= 0,			\
+}
+
 /* sched_domains SD_NODE_INIT for IA64 NUMA machines */
 #define SD_NODE_INIT (struct sched_domain) {		\
 	.span			= CPU_MASK_NONE,	\
 	.parent			= NULL,			\
 	.groups			= NULL,			\
-	.min_interval		= 80,			\
-	.max_interval		= 320,			\
-	.busy_factor		= 320,			\
+	.min_interval		= 8,			\
+	.max_interval		= 8*(min(num_online_cpus(), 32)), \
+	.busy_factor		= 64,			\
 	.imbalance_pct		= 125,			\
 	.cache_hot_time		= (10*1000000),		\
-	.cache_nice_tries	= 1,			\
+	.cache_nice_tries	= 2,			\
+	.busy_idx		= 3,			\
+	.idle_idx		= 2,			\
+	.newidle_idx		= 0, /* unused */	\
+	.wake_idx		= 1,			\
+	.forkexec_idx		= 1,			\
 	.per_cpu_gain		= 100,			\
 	.flags			= SD_LOAD_BALANCE	\
 				| SD_BALANCE_EXEC	\
-				| SD_BALANCE_NEWIDLE	\
-				| SD_WAKE_IDLE		\
+				| SD_BALANCE_FORK	\
 				| SD_WAKE_BALANCE,	\
 	.last_balance		= jiffies,		\
-	.balance_interval	= 1,			\
+	.balance_interval	= 64,			\
 	.nr_balance_failed	= 0,			\
 }
 
@@ -69,17 +98,21 @@ void build_cpu_to_node_map(void);
 	.span			= CPU_MASK_NONE,	\
 	.parent			= NULL,			\
 	.groups			= NULL,			\
-	.min_interval		= 80,			\
-	.max_interval		= 320,			\
-	.busy_factor		= 320,			\
-	.imbalance_pct		= 125,			\
+	.min_interval		= 64,			\
+	.max_interval		= 64*num_online_cpus(),	\
+	.busy_factor		= 128,			\
+	.imbalance_pct		= 133,			\
 	.cache_hot_time		= (10*1000000),		\
 	.cache_nice_tries	= 1,			\
+	.busy_idx		= 3,			\
+	.idle_idx		= 3,			\
+	.newidle_idx		= 0, /* unused */	\
+	.wake_idx		= 0, /* unused */	\
+	.forkexec_idx		= 0, /* unused */	\
 	.per_cpu_gain		= 100,			\
-	.flags			= SD_LOAD_BALANCE	\
-				| SD_BALANCE_EXEC,	\
+	.flags			= SD_LOAD_BALANCE,	\
 	.last_balance		= jiffies,		\
-	.balance_interval	= 100*(63+num_online_cpus())/64,   \
+	.balance_interval	= 64,			\
 	.nr_balance_failed	= 0,			\
 }
 
diff --git a/include/asm-ia64/uncached.h b/include/asm-ia64/uncached.h
new file mode 100644
index 00000000000..b82d923b73c
--- /dev/null
+++ b/include/asm-ia64/uncached.h
@@ -0,0 +1,12 @@
+/*
+ * Copyright (C) 2001-2005 Silicon Graphics, Inc.  All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of version 2 of the GNU General Public License
+ * as published by the Free Software Foundation.
+ *
+ * Prototypes for the uncached page allocator
+ */
+
+extern unsigned long uncached_alloc_page(int nid);
+extern void uncached_free_page(unsigned long);
diff --git a/include/asm-ia64/unistd.h b/include/asm-ia64/unistd.h
index 33e26c557c5..f7f43ec2483 100644
--- a/include/asm-ia64/unistd.h
+++ b/include/asm-ia64/unistd.h
@@ -263,6 +263,7 @@
 #define __NR_add_key			1271
 #define __NR_request_key		1272
 #define __NR_keyctl			1273
+#define __NR_set_zone_reclaim		1276
 
 #ifdef __KERNEL__