diff options
| author | Peter Zijlstra <a.p.zijlstra@chello.nl> | 2011-05-24 17:12:06 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-05-25 08:39:18 -0700 |
| commit | 3d48ae45e72390ddf8cc5256ac32ed6f7a19cbea (patch) | |
| tree | 1f46db3a8424090dd8e0b58991fa5acc1a73e680 /mm/mremap.c | |
| parent | 97a894136f29802da19a15541de3c019e1ca147e (diff) | |
| download | lwn-3d48ae45e72390ddf8cc5256ac32ed6f7a19cbea.tar.gz lwn-3d48ae45e72390ddf8cc5256ac32ed6f7a19cbea.zip | |
mm: Convert i_mmap_lock to a mutex
Straightforward conversion of i_mmap_lock to a mutex.
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Acked-by: Hugh Dickins <hughd@google.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: David Miller <davem@davemloft.net>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Russell King <rmk@arm.linux.org.uk>
Cc: Paul Mundt <lethal@linux-sh.org>
Cc: Jeff Dike <jdike@addtoit.com>
Cc: Richard Weinberger <richard@nod.at>
Cc: Tony Luck <tony.luck@intel.com>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Mel Gorman <mel@csn.ul.ie>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Nick Piggin <npiggin@kernel.dk>
Cc: Namhyung Kim <namhyung@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/mremap.c')
| -rw-r--r-- | mm/mremap.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/mm/mremap.c b/mm/mremap.c index 909e1e1e99b1..506fa44403df 100644 --- a/mm/mremap.c +++ b/mm/mremap.c @@ -93,7 +93,7 @@ static void move_ptes(struct vm_area_struct *vma, pmd_t *old_pmd, * and we propagate stale pages into the dst afterward. */ mapping = vma->vm_file->f_mapping; - spin_lock(&mapping->i_mmap_lock); + mutex_lock(&mapping->i_mmap_mutex); } /* @@ -122,7 +122,7 @@ static void move_ptes(struct vm_area_struct *vma, pmd_t *old_pmd, pte_unmap(new_pte - 1); pte_unmap_unlock(old_pte - 1, old_ptl); if (mapping) - spin_unlock(&mapping->i_mmap_lock); + mutex_unlock(&mapping->i_mmap_mutex); mmu_notifier_invalidate_range_end(vma->vm_mm, old_start, old_end); } |