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| author |   Joonsoo Kim <iamjoonsoo.kim@lge.com> | 2017-07-10 15:50:21 -0700 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2017-07-10 16:32:33 -0700 |
| commit | 458f7920f9b1e6c313944d498c440f8599b8a136 (patch) | |
| tree | cf0b95059db4f4eda086e8c82b5b12646c2444d3 /block | |
| parent | mm/zsmalloc: simplify zs_max_alloc_size handling (diff) | |
| download | linux-dev-458f7920f9b1e6c313944d498c440f8599b8a136.tar.xz linux-dev-458f7920f9b1e6c313944d498c440f8599b8a136.zip | |
mm/kasan/kasan_init.c: use kasan_zero_pud for p4d table
There is missing optimization in zero_p4d_populate() that can save some
memory when mapping zero shadow. Implement it like as others.
Link: http://lkml.kernel.org/r/1494829255-23946-1-git-send-email-iamjoonsoo.kim@lge.com
Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Acked-by: Andrey Ryabinin <aryabinin@virtuozzo.com>
Cc: "Kirill A . Shutemov" <kirill.shutemov@linux.intel.com>
Cc: Alexander Potapenko <glider@google.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'block')
0 files changed, 0 insertions, 0 deletions