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authorMel Gorman <mgorman@suse.de>2012-07-31 19:44:03 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2012-07-31 21:42:45 -0400
commitb37f1dd0f543d9714f96c2f9b9f74f7bdfdfdf31 (patch)
tree4d01913bd950d60c65605cd14e0ff88b74f5f716 /include/trace
parent5091b74a95d447e34530e713a8971450a45498b3 (diff)
mm: introduce __GFP_MEMALLOC to allow access to emergency reserves
__GFP_MEMALLOC will allow the allocation to disregard the watermarks, much like PF_MEMALLOC. It allows one to pass along the memalloc state in object related allocation flags as opposed to task related flags, such as sk->sk_allocation. This removes the need for ALLOC_PFMEMALLOC as callers using __GFP_MEMALLOC can get the ALLOC_NO_WATERMARK flag which is now enough to identify allocations related to page reclaim. Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Mel Gorman <mgorman@suse.de> Cc: David Miller <davem@davemloft.net> Cc: Neil Brown <neilb@suse.de> Cc: Mike Christie <michaelc@cs.wisc.edu> Cc: Eric B Munson <emunson@mgebm.net> Cc: Eric Dumazet <eric.dumazet@gmail.com> Cc: Sebastian Andrzej Siewior <sebastian@breakpoint.cc> Cc: Mel Gorman <mgorman@suse.de> Cc: Christoph Lameter <cl@linux.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/trace')
-rw-r--r--include/trace/events/gfpflags.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/trace/events/gfpflags.h b/include/trace/events/gfpflags.h
index 9fe3a36646e9..d6fd8e5b14b7 100644
--- a/include/trace/events/gfpflags.h
+++ b/include/trace/events/gfpflags.h
@@ -30,6 +30,7 @@
30 {(unsigned long)__GFP_COMP, "GFP_COMP"}, \ 30 {(unsigned long)__GFP_COMP, "GFP_COMP"}, \
31 {(unsigned long)__GFP_ZERO, "GFP_ZERO"}, \ 31 {(unsigned long)__GFP_ZERO, "GFP_ZERO"}, \
32 {(unsigned long)__GFP_NOMEMALLOC, "GFP_NOMEMALLOC"}, \ 32 {(unsigned long)__GFP_NOMEMALLOC, "GFP_NOMEMALLOC"}, \
33 {(unsigned long)__GFP_MEMALLOC, "GFP_MEMALLOC"}, \
33 {(unsigned long)__GFP_HARDWALL, "GFP_HARDWALL"}, \ 34 {(unsigned long)__GFP_HARDWALL, "GFP_HARDWALL"}, \
34 {(unsigned long)__GFP_THISNODE, "GFP_THISNODE"}, \ 35 {(unsigned long)__GFP_THISNODE, "GFP_THISNODE"}, \
35 {(unsigned long)__GFP_RECLAIMABLE, "GFP_RECLAIMABLE"}, \ 36 {(unsigned long)__GFP_RECLAIMABLE, "GFP_RECLAIMABLE"}, \