The patch titled
Subject: page_alloc: break early in check_for_regular_memory()
has been added to the -mm tree. Its filename is
page_alloc-break-early-in-check_for_regular_memory.patch
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------------------------------------------------------
From: Bob Liu <lliubbo@xxxxxxxxx>
Subject: page_alloc: break early in check_for_regular_memory()
If there is a zone below ZONE_NORMAL has present_pages, we can set node
state to N_NORMAL_MEMORY, no need to loop to end.
Signed-off-by: Bob Liu <lliubbo@xxxxxxxxx>
Acked-by: Michal Hocko <mhocko@xxxxxxx>
Cc: Johannes Weiner <hannes@xxxxxxxxxxx>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx>,
Cc: KOSAKI Motohiro <kosaki.motohiro@xxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/page_alloc.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff -puN mm/page_alloc.c~page_alloc-break-early-in-check_for_regular_memory mm/page_alloc.c
--- a/mm/page_alloc.c~page_alloc-break-early-in-check_for_regular_memory
+++ a/mm/page_alloc.c
@@ -4655,8 +4655,10 @@ static void check_for_regular_memory(pg_
for (zone_type = 0; zone_type <= ZONE_NORMAL; zone_type++) {
struct zone *zone = &pgdat->node_zones[zone_type];
- if (zone->present_pages)
+ if (zone->present_pages) {
node_set_state(zone_to_nid(zone), N_NORMAL_MEMORY);
+ break;
+ }
}
#endif
}
_
Subject: Subject: page_alloc: break early in check_for_regular_memory()
Patches currently in -mm which might be from lliubbo@xxxxxxxxx are
linux-next.patch
page_cgroup-add-helper-function-to-get-swap_cgroup.patch
page_cgroup-add-helper-function-to-get-swap_cgroup-cleanup.patch
memcg-cleanup-for_each_node_state.patch
page_alloc-break-early-in-check_for_regular_memory.patch
page_cgroup-drop-multi-config_memory_hotplug.patch
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