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| author | Pavel Tatashin <pasha.tatashin@oracle.com> | 2017-08-25 15:55:46 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2017-08-25 16:12:46 -0700 |
| commit | 91b540f98872a206ea1c49e4aa6ea8eed0886644 (patch) | |
| tree | f9364d7d1c9c47123ca73d1910b76322482da9a4 /mm/memblock.c | |
| parent | 2b7e8665b4ff51c034c55df3cff76518d1a9ee3a (diff) | |
| download | lwn-91b540f98872a206ea1c49e4aa6ea8eed0886644.tar.gz lwn-91b540f98872a206ea1c49e4aa6ea8eed0886644.zip | |
mm/memblock.c: reversed logic in memblock_discard()
In recently introduced memblock_discard() there is a reversed logic bug.
Memory is freed of static array instead of dynamically allocated one.
Link: http://lkml.kernel.org/r/1503511441-95478-2-git-send-email-pasha.tatashin@oracle.com
Fixes: 3010f876500f ("mm: discard memblock data later")
Signed-off-by: Pavel Tatashin <pasha.tatashin@oracle.com>
Reported-by: Woody Suwalski <terraluna977@gmail.com>
Tested-by: Woody Suwalski <terraluna977@gmail.com>
Acked-by: Michal Hocko <mhocko@suse.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/memblock.c')
| -rw-r--r-- | mm/memblock.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/memblock.c b/mm/memblock.c index bf14aea6ab70..91205780e6b1 100644 --- a/mm/memblock.c +++ b/mm/memblock.c @@ -299,7 +299,7 @@ void __init memblock_discard(void) __memblock_free_late(addr, size); } - if (memblock.memory.regions == memblock_memory_init_regions) { + if (memblock.memory.regions != memblock_memory_init_regions) { addr = __pa(memblock.memory.regions); size = PAGE_ALIGN(sizeof(struct memblock_region) * memblock.memory.max); |