]> git.baikalelectronics.ru Git - kernel.git/commit
mm/cma.c: take __GFP_NOWARN into account in cma_alloc()
authorBoris Brezillon <boris.brezillon@free-electrons.com>
Fri, 13 Oct 2017 22:58:01 +0000 (15:58 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Fri, 13 Oct 2017 23:18:32 +0000 (16:18 -0700)
commitef4650144e76ae361fe4b8c9a0afcd53074cd520
treee0bc28011b66c1eaa2373e29379992fa302280ff
parent51962a9d437f0d580c04cd2c4abc2bd417200da2
mm/cma.c: take __GFP_NOWARN into account in cma_alloc()

cma_alloc() unconditionally prints an INFO message when the CMA
allocation fails.  Make this message conditional on the non-presence of
__GFP_NOWARN in gfp_mask.

This patch aims at removing INFO messages that are displayed when the
VC4 driver tries to allocate buffer objects.  From the driver
perspective an allocation failure is acceptable, and the driver can
possibly do something to make following allocation succeed (like
flushing the VC4 internal cache).

Link: http://lkml.kernel.org/r/20171004125447.15195-1-boris.brezillon@free-electrons.com
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Acked-by: Laura Abbott <labbott@redhat.com>
Cc: Jaewon Kim <jaewon31.kim@samsung.com>
Cc: David Airlie <airlied@linux.ie>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: Eric Anholt <eric@anholt.net>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
mm/cma.c