tree 2b304d094f4468b74a1c581eb9d6f9affa63a146
parent 77142517990fd3d982678c2945ea2c4188ec5f9a
author Konstantin Khlebnikov <koct9i@gmail.com> 1407366396 -0700
committer Linus Torvalds <torvalds@linux-foundation.org> 1407373279 -0700

mm: catch memory commitment underflow

Print a warning (if CONFIG_DEBUG_VM=y) when memory commitment becomes
too negative.

This shouldn't happen any more - the previous two patches fixed the
committed_as underflow issues.

[akpm@linux-foundation.org: use VM_WARN_ONCE, per Dave]
Signed-off-by: Konstantin Khlebnikov <koct9i@gmail.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: Dave Hansen <dave.hansen@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>