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add mm argument to pte/pmd/pud/pgd_free

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(with Martin Schwidefsky <[email protected]>)

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.

[[email protected]: i386 fix]
[[email protected]: coding-syle fixes]
Signed-off-by: Benjamin Herrenschmidt <[email protected]>
Signed-off-by: Martin Schwidefsky <[email protected]>
Cc: <[email protected]>
Signed-off-by: Kamalesh Babulal <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Benjamin Herrenschmidt 2008-02-04 22:29:14 -08:00 • committed by Linus Torvalds
commit 5e5419734c
43 changed files with 151 additions and 151 deletions
Download patch file Download diff file Expand all files Collapse all files

10
include/asm-powerpc/pgalloc-32.h
View file

@ -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)

10
include/asm-powerpc/pgalloc-64.h
View file

@ -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);
}