Commit 9a3c531d authored by Andi Kleen's avatar Andi Kleen Committed by Linus Torvalds

mm: update stale lock ordering comment for memory-failure.c

When i_mmap_lock changed to a mutex the locking order in memory failure
was changed to take the sleeping lock first.  But the big fat mm lock
ordering comment (BFMLO) wasn't updated.  Do this here.

Pointed out by Andrew.
Signed-off-by: default avatarAndi Kleen <ak@linux.intel.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 47a13333
...@@ -101,9 +101,8 @@ ...@@ -101,9 +101,8 @@
* ->inode->i_lock (zap_pte_range->set_page_dirty) * ->inode->i_lock (zap_pte_range->set_page_dirty)
* ->private_lock (zap_pte_range->__set_page_dirty_buffers) * ->private_lock (zap_pte_range->__set_page_dirty_buffers)
* *
* (code doesn't rely on that order, so you could switch it around)
* ->tasklist_lock (memory_failure, collect_procs_ao)
* ->i_mmap_mutex * ->i_mmap_mutex
* ->tasklist_lock (memory_failure, collect_procs_ao)
*/ */
/* /*
......
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