kasan: simplify address description logic
authorAndrey Konovalov <andreyknvl@google.com>
Wed, 3 May 2017 21:56:34 +0000 (14:56 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Wed, 3 May 2017 22:52:12 +0000 (15:52 -0700)
commitdb429f16e0b472292000fd53b63ebd7221a9856e
tree620b88b09d6fda9530222fc93fa1dd5e163ac229
parentb6b72f4919c121bee5890732e0b8de2ab99c8dbc
kasan: simplify address description logic

Simplify logic for describing a memory address.  Add addr_to_page()
helper function.

Makes the code easier to follow.

Link: http://lkml.kernel.org/r/20170302134851.101218-5-andreyknvl@google.com
Signed-off-by: Andrey Konovalov <andreyknvl@google.com>
Acked-by: Dmitry Vyukov <dvyukov@google.com>
Cc: Andrey Ryabinin <aryabinin@virtuozzo.com>
Cc: Alexander Potapenko <glider@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
mm/kasan/report.c