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author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2008-02-05 06:29:14 (GMT) |
---|---|---|
committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2008-02-05 17:44:18 (GMT) |
commit | 5e5419734c8719cbc01af959ad9c0844002c0df5 (patch) | |
tree | a075dca3f719946689efa0245464855cbf2a20ce /include/asm-powerpc | |
parent | 9f8f2172537de7af0b0fbd33502d18d52b1339bc (diff) | |
download | linux-fsl-qoriq-5e5419734c8719cbc01af959ad9c0844002c0df5.tar.xz |
add mm argument to pte/pmd/pud/pgd_free
(with Martin Schwidefsky <schwidefsky@de.ibm.com>)
The pgd/pud/pmd/pte page table allocation functions get a mm_struct pointer as
first argument. The free functions do not get the mm_struct argument. This
is 1) asymmetrical and 2) to do mm related page table allocations the mm
argument is needed on the free function as well.
[kamalesh@linux.vnet.ibm.com: i386 fix]
[akpm@linux-foundation.org: coding-syle fixes]
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: <linux-arch@vger.kernel.org>
Signed-off-by: Kamalesh Babulal <kamalesh@linux.vnet.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/asm-powerpc')
-rw-r--r-- | include/asm-powerpc/pgalloc-32.h | 10 | ||||
-rw-r--r-- | include/asm-powerpc/pgalloc-64.h | 10 |
2 files changed, 10 insertions, 10 deletions
diff --git a/include/asm-powerpc/pgalloc-32.h b/include/asm-powerpc/pgalloc-32.h index e130743..c162a4c 100644 --- a/include/asm-powerpc/pgalloc-32.h +++ b/include/asm-powerpc/pgalloc-32.h @@ -6,14 +6,14 @@ extern void __bad_pte(pmd_t *pmd); extern pgd_t *pgd_alloc(struct mm_struct *mm); -extern void pgd_free(pgd_t *pgd); +extern void pgd_free(struct mm_struct *mm, pgd_t *pgd); /* * We don't have any real pmd's, and this code never triggers because * the pgd will always be present.. */ /* #define pmd_alloc_one(mm,address) ({ BUG(); ((pmd_t *)2); }) */ -#define pmd_free(x) do { } while (0) +#define pmd_free(mm, x) do { } while (0) #define __pmd_free_tlb(tlb,x) do { } while (0) /* #define pgd_populate(mm, pmd, pte) BUG() */ @@ -31,10 +31,10 @@ extern void pgd_free(pgd_t *pgd); extern pte_t *pte_alloc_one_kernel(struct mm_struct *mm, unsigned long addr); extern struct page *pte_alloc_one(struct mm_struct *mm, unsigned long addr); -extern void pte_free_kernel(pte_t *pte); -extern void pte_free(struct page *pte); +extern void pte_free_kernel(struct mm_struct *mm, pte_t *pte); +extern void pte_free(struct mm_struct *mm, struct page *pte); -#define __pte_free_tlb(tlb, pte) pte_free((pte)) +#define __pte_free_tlb(tlb, pte) pte_free((tlb)->mm, (pte)) #define check_pgt_cache() do { } while (0) diff --git a/include/asm-powerpc/pgalloc-64.h b/include/asm-powerpc/pgalloc-64.h index 43214c8..5afae85 100644 --- a/include/asm-powerpc/pgalloc-64.h +++ b/include/asm-powerpc/pgalloc-64.h @@ -29,7 +29,7 @@ static inline pgd_t *pgd_alloc(struct mm_struct *mm) return kmem_cache_alloc(pgtable_cache[PGD_CACHE_NUM], GFP_KERNEL); } -static inline void pgd_free(pgd_t *pgd) +static inline void pgd_free(struct mm_struct *mm, pgd_t *pgd) { subpage_prot_free(pgd); kmem_cache_free(pgtable_cache[PGD_CACHE_NUM], pgd); @@ -45,7 +45,7 @@ static inline pud_t *pud_alloc_one(struct mm_struct *mm, unsigned long addr) GFP_KERNEL|__GFP_REPEAT); } -static inline void pud_free(pud_t *pud) +static inline void pud_free(struct mm_struct *mm, pud_t *pud) { kmem_cache_free(pgtable_cache[PUD_CACHE_NUM], pud); } @@ -81,7 +81,7 @@ static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long addr) GFP_KERNEL|__GFP_REPEAT); } -static inline void pmd_free(pmd_t *pmd) +static inline void pmd_free(struct mm_struct *mm, pmd_t *pmd) { kmem_cache_free(pgtable_cache[PMD_CACHE_NUM], pmd); } @@ -99,12 +99,12 @@ static inline struct page *pte_alloc_one(struct mm_struct *mm, return pte ? virt_to_page(pte) : NULL; } -static inline void pte_free_kernel(pte_t *pte) +static inline void pte_free_kernel(struct mm_struct *mm, pte_t *pte) { free_page((unsigned long)pte); } -static inline void pte_free(struct page *ptepage) +static inline void pte_free(struct mm_struct *mm, struct page *ptepage) { __free_page(ptepage); } |