Re: [PATCH 2/2, v2] mm/migration: Make rmap_walk_anon() and try_to_unmap_anon() more scalable
From: Rik van Riel <hidden>
Date: 2012-12-02 17:54:35
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On 12/02/2012 10:12 AM, Ingo Molnar wrote:
Rename anon_vma_[un]lock() => anon_vma_[un]lock_write(), to make it clearer that it's an exclusive write-lock in that case - suggested by Rik van Riel.
... close, but you forgot to actually rename the unlock function :)
quoted hunk ↗ jump to hunk
diff --git a/include/linux/huge_mm.h b/include/linux/huge_mm.h index 7f5a552..81a9dee 100644 --- a/include/linux/huge_mm.h +++ b/include/linux/huge_mm.h@@ -101,7 +101,7 @@ extern void __split_huge_page_pmd(struct mm_struct *mm, pmd_t *pmd); #define wait_split_huge_page(__anon_vma, __pmd) \ do { \ pmd_t *____pmd = (__pmd); \ - anon_vma_lock(__anon_vma); \ + anon_vma_lock_write(__anon_vma); \ anon_vma_unlock(__anon_vma); \ BUG_ON(pmd_trans_splitting(*____pmd) || \
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