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mm/mm_init: remove redundant memset in free_area_init()

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zone_movable_pfn is zero-initialized and only set by
find_zone_movable_pfns_for_nodes(), which runs once during boot right
after the memset, so the memset has no effect.

Remove redundant memset. No functional change.

Signed-off-by: Sang-Heon Jeon <ekffu200098@gmail.com>
Link: https://patch.msgid.link/20260720150915.756749-1-ekffu200098@gmail.com
Signed-off-by: Mike Rapoport (Microsoft) <rppt@kernel.org>
This commit is contained in:
Sang-Heon Jeon 2026-07-21 00:09:13 +09:00 committed by Mike Rapoport (Microsoft)
parent a5d67c54d4
commit d7bfd98ba0
1 changed files with 0 additions and 1 deletions
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mm/mm_init.c
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@ -1836,7 +1836,6 @@ static void __init free_area_init(void)
}
/* Find the PFNs that ZONE_MOVABLE begins at in each node */
memset(zone_movable_pfn, 0, sizeof(zone_movable_pfn));
find_zone_movable_pfns_for_nodes();
/* Print out the zone ranges */