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mm,numa: fix update_mmu_cache_pmd call

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This build error is currently hidden by the fact that the x86
implementation of 'update_mmu_cache_pmd()' is a macro that doesn't use
its last argument, but commit b32967ff10 ("mm: numa: Add THP migration
for the NUMA working set scanning fault case") introduced a call with
the wrong third argument.

In the akpm tree, it causes this build error:

  mm/migrate.c: In function 'migrate_misplaced_transhuge_page_put':
  mm/migrate.c:1666:2: error: incompatible type for argument 3 of 'update_mmu_cache_pmd'
  arch/x86/include/asm/pgtable.h:792:20: note: expected 'struct pmd_t *' but argument is of type 'pmd_t'

Fix it.

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Stephen Rothwell 2012-12-10 19:50:57 +11:00 committed by Linus Torvalds
parent 6a2b60b17b
commit ce4a9cc579
1 changed files with 1 additions and 1 deletions
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2
mm/migrate.c
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@ -1734,7 +1734,7 @@ int migrate_misplaced_transhuge_page(struct mm_struct *mm,
page_add_new_anon_rmap(new_page, vma, haddr); page_add_new_anon_rmap(new_page, vma, haddr);
set_pmd_at(mm, haddr, pmd, entry); set_pmd_at(mm, haddr, pmd, entry);
update_mmu_cache_pmd(vma, address, entry); update_mmu_cache_pmd(vma, address, &entry);
page_remove_rmap(page); page_remove_rmap(page);
/* /*
* Finish the charge transaction under the page table lock to * Finish the charge transaction under the page table lock to