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mm: wrap get_locked_pte() using __cond_lock()

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The get_locked_pte() conditionally grabs 'ptl' in case of returning
non-NULL.  This leads sparse to complain about context imbalance.  Rename
and wrap it using __cond_lock() to make sparse happy.

Signed-off-by: Namhyung Kim <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Namhyung Kim 2010-10-26 14:21:59 -07:00 • committed by Linus Torvalds
commit 25ca1d6c02
2 changed files with 10 additions and 2 deletions
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2
mm/memory.c
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@ -1591,7 +1591,7 @@ struct page *get_dump_page(unsigned long addr)
}
#endif /* CONFIG_ELF_CORE */
pte_t *get_locked_pte(struct mm_struct *mm, unsigned long addr,
pte_t *__get_locked_pte(struct mm_struct *mm, unsigned long addr,
spinlock_t **ptl)
{
pgd_t * pgd = pgd_offset(mm, addr);