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| author | Kirill A. Shutemov <kirill.shutemov@linux.intel.com> | 2013-11-14 14:31:22 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-11-15 09:32:16 +0900 |
| commit | 0470d4aa29eb0a49554fe71e986e6d6c38dd85cb (patch) | |
| tree | 0498e69f5748d09ea64cd1341a80ff6a9d3bf125 /arch/mn10300/mm | |
| parent | 8abe73465660f12dee03871f681175f4dae62e7f (diff) | |
| download | lwn-0470d4aa29eb0a49554fe71e986e6d6c38dd85cb.tar.gz lwn-0470d4aa29eb0a49554fe71e986e6d6c38dd85cb.zip | |
mn10300: add missing pgtable_page_ctor/dtor calls
It will fix NR_PAGETABLE accounting. It's also required if the arch is
going ever support split ptl.
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Acked-by: David Howells <dhowells@redhat.com>
Cc: Koichi Yasutake <yasutake.koichi@jp.panasonic.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/mn10300/mm')
| -rw-r--r-- | arch/mn10300/mm/pgtable.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/arch/mn10300/mm/pgtable.c b/arch/mn10300/mm/pgtable.c index bd9ada693f95..e77a7c728081 100644 --- a/arch/mn10300/mm/pgtable.c +++ b/arch/mn10300/mm/pgtable.c @@ -78,8 +78,13 @@ struct page *pte_alloc_one(struct mm_struct *mm, unsigned long address) #else pte = alloc_pages(GFP_KERNEL|__GFP_REPEAT, 0); #endif - if (pte) - clear_highpage(pte); + if (!pte) + return NULL; + clear_highpage(pte); + if (!pgtable_page_ctor(pte)) { + __free_page(pte); + return NULL; + } return pte; } |