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| author | Jeremy Fitzhardinge <jeremy@xensource.com> | 2007-07-17 18:37:03 -0700 |
|---|---|---|
| committer | Jeremy Fitzhardinge <jeremy@goop.org> | 2007-07-18 08:47:40 -0700 |
| commit | fdb4c338c8d1d494e17c3422a3ea2129f6791596 (patch) | |
| tree | 08305dcbbf4179299f5d001796d658ff08ecc014 /include/asm-i386 | |
| parent | 810bab448e563ffd1718d78e9a3756806b626acc (diff) | |
| download | lwn-fdb4c338c8d1d494e17c3422a3ea2129f6791596.tar.gz lwn-fdb4c338c8d1d494e17c3422a3ea2129f6791596.zip | |
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/asm-i386')
| -rw-r--r-- | include/asm-i386/paravirt.h | 6 | ||||
| -rw-r--r-- | include/asm-i386/pgalloc.h | 6 |
2 files changed, 6 insertions, 6 deletions
diff --git a/include/asm-i386/paravirt.h b/include/asm-i386/paravirt.h index 7f846a7d6bcc..99bf661a65f2 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 d07b7afc2692..f2fc33ceb9f2 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))); \ |