diff options
Diffstat (limited to 'arch/sparc/mm')
| -rw-r--r-- | arch/sparc/mm/highmem.c | 8 | ||||
| -rw-r--r-- | arch/sparc/mm/io-unit.c | 8 |
2 files changed, 9 insertions, 7 deletions
diff --git a/arch/sparc/mm/highmem.c b/arch/sparc/mm/highmem.c index 4d8ed9c6518..01fc6c25429 100644 --- a/arch/sparc/mm/highmem.c +++ b/arch/sparc/mm/highmem.c @@ -35,7 +35,7 @@ void *kmap_atomic(struct page *page, enum km_type type) unsigned long vaddr; /* even !CONFIG_PREEMPT needs this, for in_atomic in do_page_fault */ - inc_preempt_count(); + pagefault_disable(); if (!PageHighMem(page)) return page_address(page); @@ -70,8 +70,7 @@ void kunmap_atomic(void *kvaddr, enum km_type type) unsigned long idx = type + KM_TYPE_NR*smp_processor_id(); if (vaddr < FIXADDR_START) { // FIXME - dec_preempt_count(); - preempt_check_resched(); + pagefault_enable(); return; } @@ -97,8 +96,7 @@ void kunmap_atomic(void *kvaddr, enum km_type type) #endif #endif - dec_preempt_count(); - preempt_check_resched(); + pagefault_enable(); } /* We may be fed a pagetable here by ptep_to_xxx and others. */ diff --git a/arch/sparc/mm/io-unit.c b/arch/sparc/mm/io-unit.c index 2bb1309003d..4ccda77d08d 100644 --- a/arch/sparc/mm/io-unit.c +++ b/arch/sparc/mm/io-unit.c @@ -22,6 +22,7 @@ #include <asm/cacheflush.h> #include <asm/tlbflush.h> #include <asm/dma.h> +#include <asm/oplib.h> /* #define IOUNIT_DEBUG */ #ifdef IOUNIT_DEBUG @@ -41,9 +42,12 @@ iounit_init(int sbi_node, int io_node, struct sbus_bus *sbus) struct linux_prom_registers iommu_promregs[PROMREG_MAX]; struct resource r; - iounit = kmalloc(sizeof(struct iounit_struct), GFP_ATOMIC); + iounit = kzalloc(sizeof(struct iounit_struct), GFP_ATOMIC); + if (!iounit) { + prom_printf("SUN4D: Cannot alloc iounit, halting.\n"); + prom_halt(); + } - memset(iounit, 0, sizeof(*iounit)); iounit->limit[0] = IOUNIT_BMAP1_START; iounit->limit[1] = IOUNIT_BMAP2_START; iounit->limit[2] = IOUNIT_BMAPM_START; |