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| author | Davidlohr Bueso <dave@stgolabs.net> | 2014-12-12 16:54:21 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2014-12-13 12:42:45 -0800 |
| commit | 83cde9e8ba95d180eaefefe834958fbf7008cf39 (patch) | |
| tree | 041dd6f0bc4e41baec1a46422683596111e1e2a8 /mm/mremap.c | |
| parent | 8b28f621bea6f84d44adf7e804b73aff1e09105b (diff) | |
| download | linux-rpi-83cde9e8ba95d180eaefefe834958fbf7008cf39.tar.gz linux-rpi-83cde9e8ba95d180eaefefe834958fbf7008cf39.tar.bz2 linux-rpi-83cde9e8ba95d180eaefefe834958fbf7008cf39.zip | |
mm: use new helper functions around the i_mmap_mutex
Convert all open coded mutex_lock/unlock calls to the
i_mmap_[lock/unlock]_write() helpers.
Signed-off-by: Davidlohr Bueso <dbueso@suse.de>
Acked-by: Rik van Riel <riel@redhat.com>
Acked-by: "Kirill A. Shutemov" <kirill@shutemov.name>
Acked-by: Hugh Dickins <hughd@google.com>
Cc: Oleg Nesterov <oleg@redhat.com>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
Acked-by: Mel Gorman <mgorman@suse.de>
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 b147f66f4c40..426b448d6447 100644 --- a/mm/mremap.c +++ b/mm/mremap.c @@ -119,7 +119,7 @@ static void move_ptes(struct vm_area_struct *vma, pmd_t *old_pmd, if (need_rmap_locks) { if (vma->vm_file) { mapping = vma->vm_file->f_mapping; - mutex_lock(&mapping->i_mmap_mutex); + i_mmap_lock_write(mapping); } if (vma->anon_vma) { anon_vma = vma->anon_vma; @@ -156,7 +156,7 @@ static void move_ptes(struct vm_area_struct *vma, pmd_t *old_pmd, if (anon_vma) anon_vma_unlock_write(anon_vma); if (mapping) - mutex_unlock(&mapping->i_mmap_mutex); + i_mmap_unlock_write(mapping); } #define LATENCY_LIMIT (64 * PAGE_SIZE) |