mm/gup.c: further document vma_permits_fault()
authorMiles Chen <miles.chen@mediatek.com>
Tue, 2 Jun 2020 04:48:33 +0000 (21:48 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Tue, 2 Jun 2020 17:59:08 +0000 (10:59 -0700)
commit548b6a1e5520d5647e3d39c0aaf1f83ab27e250f
tree99317156f9c26f3b88380b6bae3e599f25717fda
parente792031019bdc3f1eb5cac5a4171f7ffb8586c1b
mm/gup.c: further document vma_permits_fault()

Describe the caller's responsibilities when passing
FAULT_FLAG_ALLOW_RETRY.

Link: http://lkml.kernel.org/r/1586915606.5647.5.camel@mtkswgap22
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
mm/gup.c