tree 0300cded0b507d813a3133cb80944c047997d1fe
parent fea85cff11de4377040deff0e85eb2793fb078aa
author Joonsoo Kim <js1304@gmail.com> 1452813522 -0800
committer Linus Torvalds <torvalds@linux-foundation.org> 1452816049 -0800

mm/page_isolation.c: add new tracepoint, test_pages_isolated

cma allocation should be guranteeded to succeed.  But sometimes it can
fail in the current implementation.  To track down the problem, we need
to know which page is problematic and this new tracepoint will report
it.

Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Acked-by: Michal Nazarewicz <mina86@mina86.com>
Acked-by: David Rientjes <rientjes@google.com>
Cc: Minchan Kim <minchan@kernel.org>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>