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mm/memblock.c: reversed logic in memblock_discard()

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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/[email protected]
Fixes: 3010f87650 ("mm: discard memblock data later")
Signed-off-by: Pavel Tatashin <[email protected]>
Reported-by: Woody Suwalski <[email protected]>
Tested-by: Woody Suwalski <[email protected]>
Acked-by: Michal Hocko <[email protected]>
Cc: Vlastimil Babka <[email protected]>
Cc: <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Pavel Tatashin 2017-08-25 15:55:46 -07:00 • committed by Linus Torvalds
commit 91b540f988
1 changed files with 1 additions and 1 deletions
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2
mm/memblock.c
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@ -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);