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authorJeremy Fitzhardinge <jeremy@xensource.com>2007-07-17 18:37:03 -0700
committerJeremy Fitzhardinge <jeremy@goop.org>2007-07-18 08:47:40 -0700
commitfdb4c338c8d1d494e17c3422a3ea2129f6791596 (patch)
tree08305dcbbf4179299f5d001796d658ff08ecc014 /include
parent810bab448e563ffd1718d78e9a3756806b626acc (diff)
paravirt: add an "mm" argument to alloc_pt
It's useful to know which mm is allocating a pagetable. Xen uses this to determine whether the pagetable being added to is pinned or not. Signed-off-by: Jeremy Fitzhardinge <jeremy@xensource.com>
Diffstat (limited to 'include')
-rw-r--r--include/asm-i386/paravirt.h6
-rw-r--r--include/asm-i386/pgalloc.h6
2 files changed, 6 insertions, 6 deletions
diff --git a/include/asm-i386/paravirt.h b/include/asm-i386/paravirt.h
index 7f846a7d6bc..99bf661a65f 100644
--- a/include/asm-i386/paravirt.h
+++ b/include/asm-i386/paravirt.h
@@ -173,7 +173,7 @@ struct paravirt_ops
unsigned long va);
/* Hooks for allocating/releasing pagetable pages */
- void (*alloc_pt)(u32 pfn);
+ void (*alloc_pt)(struct mm_struct *mm, u32 pfn);
void (*alloc_pd)(u32 pfn);
void (*alloc_pd_clone)(u32 pfn, u32 clonepfn, u32 start, u32 count);
void (*release_pt)(u32 pfn);
@@ -725,9 +725,9 @@ static inline void flush_tlb_others(cpumask_t cpumask, struct mm_struct *mm,
PVOP_VCALL3(flush_tlb_others, &cpumask, mm, va);
}
-static inline void paravirt_alloc_pt(unsigned pfn)
+static inline void paravirt_alloc_pt(struct mm_struct *mm, unsigned pfn)
{
- PVOP_VCALL1(alloc_pt, pfn);
+ PVOP_VCALL2(alloc_pt, mm, pfn);
}
static inline void paravirt_release_pt(unsigned pfn)
{
diff --git a/include/asm-i386/pgalloc.h b/include/asm-i386/pgalloc.h
index d07b7afc269..f2fc33ceb9f 100644
--- a/include/asm-i386/pgalloc.h
+++ b/include/asm-i386/pgalloc.h
@@ -7,7 +7,7 @@
#ifdef CONFIG_PARAVIRT
#include <asm/paravirt.h>
#else
-#define paravirt_alloc_pt(pfn) do { } while (0)
+#define paravirt_alloc_pt(mm, pfn) do { } while (0)
#define paravirt_alloc_pd(pfn) do { } while (0)
#define paravirt_alloc_pd(pfn) do { } while (0)
#define paravirt_alloc_pd_clone(pfn, clonepfn, start, count) do { } while (0)
@@ -17,13 +17,13 @@
#define pmd_populate_kernel(mm, pmd, pte) \
do { \
- paravirt_alloc_pt(__pa(pte) >> PAGE_SHIFT); \
+ paravirt_alloc_pt(mm, __pa(pte) >> PAGE_SHIFT); \
set_pmd(pmd, __pmd(_PAGE_TABLE + __pa(pte))); \
} while (0)
#define pmd_populate(mm, pmd, pte) \
do { \
- paravirt_alloc_pt(page_to_pfn(pte)); \
+ paravirt_alloc_pt(mm, page_to_pfn(pte)); \
set_pmd(pmd, __pmd(_PAGE_TABLE + \
((unsigned long long)page_to_pfn(pte) << \
(unsigned long long) PAGE_SHIFT))); \