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add mm argument to pte/pmd/pud/pgd_free

Browse source 
(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

8
include/asm-x86/pgalloc_32.h
View file

@ -36,17 +36,17 @@ static inline void pmd_populate(struct mm_struct *mm, pmd_t *pmd, struct page *p
* Allocate and free page tables.
*/
extern pgd_t *pgd_alloc(struct mm_struct *);
extern void pgd_free(pgd_t *pgd);
extern void pgd_free(struct mm_struct *mm, pgd_t *pgd);
extern pte_t *pte_alloc_one_kernel(struct mm_struct *, unsigned long);
extern struct page *pte_alloc_one(struct mm_struct *, unsigned long);
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 *pte)
static inline void pte_free(struct mm_struct *mm, struct page *pte)
{
__free_page(pte);
}
@ -63,7 +63,7 @@ static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long addr)
return (pmd_t *)get_zeroed_page(GFP_KERNEL|__GFP_REPEAT);
}
static inline void pmd_free(pmd_t *pmd)
static inline void pmd_free(struct mm_struct *mm, pmd_t *pmd)
{
BUG_ON((unsigned long)pmd & (PAGE_SIZE-1));
free_page((unsigned long)pmd);

10
include/asm-x86/pgalloc_64.h
View file

@ -17,7 +17,7 @@ static inline void pmd_populate(struct mm_struct *mm, pmd_t *pmd, struct page *p
set_pmd(pmd, __pmd(_PAGE_TABLE | (page_to_pfn(pte) << PAGE_SHIFT)));
}
static inline void pmd_free(pmd_t *pmd)
static inline void pmd_free(struct mm_struct *mm, pmd_t *pmd)
{
BUG_ON((unsigned long)pmd & (PAGE_SIZE-1));
free_page((unsigned long)pmd);
@ -33,7 +33,7 @@ static inline pud_t *pud_alloc_one(struct mm_struct *mm, unsigned long addr)
return (pud_t *)get_zeroed_page(GFP_KERNEL|__GFP_REPEAT);
}
static inline void pud_free (pud_t *pud)
static inline void pud_free(struct mm_struct *mm, pud_t *pud)
{
BUG_ON((unsigned long)pud & (PAGE_SIZE-1));
free_page((unsigned long)pud);
@ -77,7 +77,7 @@ static inline pgd_t *pgd_alloc(struct mm_struct *mm)
return pgd;
}
static inline void pgd_free(pgd_t *pgd)
static inline void pgd_free(struct mm_struct *mm, pgd_t *pgd)
{
BUG_ON((unsigned long)pgd & (PAGE_SIZE-1));
pgd_list_del(pgd);
@ -100,13 +100,13 @@ static inline struct page *pte_alloc_one(struct mm_struct *mm, unsigned long add
/* Should really implement gc for free page table pages. This could be
done with a reference count in struct page. */
static inline void pte_free_kernel(pte_t *pte)
static inline void pte_free_kernel(struct mm_struct *mm, pte_t *pte)
{
BUG_ON((unsigned long)pte & (PAGE_SIZE-1));
free_page((unsigned long)pte);
}
static inline void pte_free(struct page *pte)
static inline void pte_free(struct mm_struct *mm, struct page *pte)
{
__free_page(pte);
}