diff options
author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2008-02-05 01:29:14 -0500 |
---|---|---|
committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2008-02-05 12:44:18 -0500 |
commit | 5e5419734c8719cbc01af959ad9c0844002c0df5 (patch) | |
tree | a075dca3f719946689efa0245464855cbf2a20ce /mm | |
parent | 9f8f2172537de7af0b0fbd33502d18d52b1339bc (diff) |
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 'mm')
-rw-r--r-- | mm/memory.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/mm/memory.c b/mm/memory.c index b7cb2e01705f..1c81fc2174cd 100644 --- a/mm/memory.c +++ b/mm/memory.c | |||
@@ -305,7 +305,7 @@ int __pte_alloc(struct mm_struct *mm, pmd_t *pmd, unsigned long address) | |||
305 | spin_lock(&mm->page_table_lock); | 305 | spin_lock(&mm->page_table_lock); |
306 | if (pmd_present(*pmd)) { /* Another has populated it */ | 306 | if (pmd_present(*pmd)) { /* Another has populated it */ |
307 | pte_lock_deinit(new); | 307 | pte_lock_deinit(new); |
308 | pte_free(new); | 308 | pte_free(mm, new); |
309 | } else { | 309 | } else { |
310 | mm->nr_ptes++; | 310 | mm->nr_ptes++; |
311 | inc_zone_page_state(new, NR_PAGETABLE); | 311 | inc_zone_page_state(new, NR_PAGETABLE); |
@@ -323,7 +323,7 @@ int __pte_alloc_kernel(pmd_t *pmd, unsigned long address) | |||
323 | 323 | ||
324 | spin_lock(&init_mm.page_table_lock); | 324 | spin_lock(&init_mm.page_table_lock); |
325 | if (pmd_present(*pmd)) /* Another has populated it */ | 325 | if (pmd_present(*pmd)) /* Another has populated it */ |
326 | pte_free_kernel(new); | 326 | pte_free_kernel(&init_mm, new); |
327 | else | 327 | else |
328 | pmd_populate_kernel(&init_mm, pmd, new); | 328 | pmd_populate_kernel(&init_mm, pmd, new); |
329 | spin_unlock(&init_mm.page_table_lock); | 329 | spin_unlock(&init_mm.page_table_lock); |
@@ -2501,7 +2501,7 @@ int __pud_alloc(struct mm_struct *mm, pgd_t *pgd, unsigned long address) | |||
2501 | 2501 | ||
2502 | spin_lock(&mm->page_table_lock); | 2502 | spin_lock(&mm->page_table_lock); |
2503 | if (pgd_present(*pgd)) /* Another has populated it */ | 2503 | if (pgd_present(*pgd)) /* Another has populated it */ |
2504 | pud_free(new); | 2504 | pud_free(mm, new); |
2505 | else | 2505 | else |
2506 | pgd_populate(mm, pgd, new); | 2506 | pgd_populate(mm, pgd, new); |
2507 | spin_unlock(&mm->page_table_lock); | 2507 | spin_unlock(&mm->page_table_lock); |
@@ -2523,12 +2523,12 @@ int __pmd_alloc(struct mm_struct *mm, pud_t *pud, unsigned long address) | |||
2523 | spin_lock(&mm->page_table_lock); | 2523 | spin_lock(&mm->page_table_lock); |
2524 | #ifndef __ARCH_HAS_4LEVEL_HACK | 2524 | #ifndef __ARCH_HAS_4LEVEL_HACK |
2525 | if (pud_present(*pud)) /* Another has populated it */ | 2525 | if (pud_present(*pud)) /* Another has populated it */ |
2526 | pmd_free(new); | 2526 | pmd_free(mm, new); |
2527 | else | 2527 | else |
2528 | pud_populate(mm, pud, new); | 2528 | pud_populate(mm, pud, new); |
2529 | #else | 2529 | #else |
2530 | if (pgd_present(*pud)) /* Another has populated it */ | 2530 | if (pgd_present(*pud)) /* Another has populated it */ |
2531 | pmd_free(new); | 2531 | pmd_free(mm, new); |
2532 | else | 2532 | else |
2533 | pgd_populate(mm, pud, new); | 2533 | pgd_populate(mm, pud, new); |
2534 | #endif /* __ARCH_HAS_4LEVEL_HACK */ | 2534 | #endif /* __ARCH_HAS_4LEVEL_HACK */ |