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 :)
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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