Commit d7e4a2ea authored by Zhang Zhen's avatar Zhang Zhen Committed by Linus Torvalds

mm: refactor zone_movable_is_highmem()

All callers of zone_movable_is_highmem are under #ifdef CONFIG_HIGHMEM,
so the else branch return 0 is not needed.
Signed-off-by: default avatarZhang Zhen <zhenzhang.zhang@huawei.com>
Acked-by: default avatarDavid Rientjes <rientjes@google.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent bdddbcd4
......@@ -842,16 +842,16 @@ static inline int populated_zone(struct zone *zone)
extern int movable_zone;
#ifdef CONFIG_HIGHMEM
static inline int zone_movable_is_highmem(void)
{
#if defined(CONFIG_HIGHMEM) && defined(CONFIG_HAVE_MEMBLOCK_NODE_MAP)
#ifdef CONFIG_HAVE_MEMBLOCK_NODE_MAP
return movable_zone == ZONE_HIGHMEM;
#elif defined(CONFIG_HIGHMEM)
return (ZONE_MOVABLE - 1) == ZONE_HIGHMEM;
#else
return 0;
return (ZONE_MOVABLE - 1) == ZONE_HIGHMEM;
#endif
}
#endif
static inline int is_highmem_idx(enum zone_type idx)
{
......
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