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add mm argument to pte/pmd/pud/pgd_free

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(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>
This commit is contained in:
Benjamin Herrenschmidt
2008-02-04 22:29:14 -08:00
committed by Linus Torvalds
parent 9f8f217253
commit 5e5419734c
43 changed files with 151 additions and 151 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
arch/arm/mm/ioremap.c
View File

@ -162,7 +162,7 @@ static void unmap_area_sections(unsigned long virt, unsigned long size)
* Free the page table, if there was one.
*/
if ((pmd_val(pmd) & PMD_TYPE_MASK) == PMD_TYPE_TABLE)
pte_free_kernel(pmd_page_vaddr(pmd));
pte_free_kernel(&init_mm, pmd_page_vaddr(pmd));
}
addr += PGDIR_SIZE;

8
arch/arm/mm/pgd.c
View File

@ -65,14 +65,14 @@ pgd_t *get_pgd_slow(struct mm_struct *mm)
return new_pgd;
no_pte:
pmd_free(new_pmd);
pmd_free(mm, new_pmd);
no_pmd:
free_pages((unsigned long)new_pgd, 2);
no_pgd:
return NULL;
}
void free_pgd_slow(pgd_t *pgd)
void free_pgd_slow(struct mm_struct *mm, pgd_t *pgd)
{
pmd_t *pmd;
struct page *pte;
@ -94,8 +94,8 @@ void free_pgd_slow(pgd_t *pgd)
pmd_clear(pmd);
dec_zone_page_state(virt_to_page((unsigned long *)pgd), NR_PAGETABLE);
pte_lock_deinit(pte);
pte_free(pte);
pmd_free(pmd);
pte_free(mm, pte);
pmd_free(mm, pmd);
free:
free_pages((unsigned long) pgd, 2);
}