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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

10
mm/memory.c
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@@ -305,7 +305,7 @@ int __pte_alloc(struct mm_struct *mm, pmd_t *pmd, unsigned long address)
spin_lock(&mm->page_table_lock);
if (pmd_present(*pmd)) { /* Another has populated it */
pte_lock_deinit(new);
pte_free(new);
pte_free(mm, new);
} else {
mm->nr_ptes++;
inc_zone_page_state(new, NR_PAGETABLE);
@@ -323,7 +323,7 @@ int __pte_alloc_kernel(pmd_t *pmd, unsigned long address)
spin_lock(&init_mm.page_table_lock);
if (pmd_present(*pmd)) /* Another has populated it */
pte_free_kernel(new);
pte_free_kernel(&init_mm, new);
else
pmd_populate_kernel(&init_mm, pmd, new);
spin_unlock(&init_mm.page_table_lock);
@@ -2501,7 +2501,7 @@ int __pud_alloc(struct mm_struct *mm, pgd_t *pgd, unsigned long address)
spin_lock(&mm->page_table_lock);
if (pgd_present(*pgd)) /* Another has populated it */
pud_free(new);
pud_free(mm, new);
else
pgd_populate(mm, pgd, new);
spin_unlock(&mm->page_table_lock);
@@ -2523,12 +2523,12 @@ int __pmd_alloc(struct mm_struct *mm, pud_t *pud, unsigned long address)
spin_lock(&mm->page_table_lock);
#ifndef __ARCH_HAS_4LEVEL_HACK
if (pud_present(*pud)) /* Another has populated it */
pmd_free(new);
pmd_free(mm, new);
else
pud_populate(mm, pud, new);
#else
if (pgd_present(*pud)) /* Another has populated it */
pmd_free(new);
pmd_free(mm, new);
else
pgd_populate(mm, pud, new);
#endif /* __ARCH_HAS_4LEVEL_HACK */