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authorBenjamin Herrenschmidt <benh@kernel.crashing.org>2008-02-04 22:29:14 -0800
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2008-02-05 09:44:18 -0800
commit5e5419734c8719cbc01af959ad9c0844002c0df5 (patch)
treea075dca3f719946689efa0245464855cbf2a20ce /include/asm-powerpc
parent9f8f2172537de7af0b0fbd33502d18d52b1339bc (diff)
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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.h10
-rw-r--r--include/asm-powerpc/pgalloc-64.h10
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);
}