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| author | Wei Yang <richard.weiyang@gmail.com> | 2017-07-06 15:36:53 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2017-07-06 16:24:31 -0700 |
| commit | 172ffeb9b9c284c6676ce03721cccf9b4ec6680b (patch) | |
| tree | 687c145e37bd9d7ffb9f2f41f0ea4f1575764714 /mm/ksm.c | |
| parent | f2f43e566a02a3bdde0a65e6a2e88d707c212a29 (diff) | |
mm/nobootmem.c: return 0 when start_pfn equals end_pfn
When start_pfn equals end_pfn, __free_pages_memory() has no effect and
__free_memory_core() will finally return (end_pfn - start_pfn) = 0.
This patch returns 0 directly when start_pfn equals end_pfn.
Link: http://lkml.kernel.org/r/20170502131115.6650-1-richard.weiyang@gmail.com
Signed-off-by: Wei Yang <richard.weiyang@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/ksm.c')
0 files changed, 0 insertions, 0 deletions