The patch titled
memory cgroup enhancements: fix zone handling in try_to_free_mem_cgroup_page
has been added to the -mm tree. Its filename is
memory-cgroup-enhancements-fix-zone-handling-in-try_to_free_mem_cgroup_page.patch
*** Remember to use Documentation/SubmitChecklist when testing your code ***
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: memory cgroup enhancements: fix zone handling in try_to_free_mem_cgroup_page
From: KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx>
Because NODE_DATA(node)->node_zonelists[] is guaranteed to contain all
necessary zones, it is not necessary to use for_each_online_node.
And this for_each_online_node() makes reclaim routine start always
from node 0. This is not good. This patch makes reclaim start from
caller's node and just use usual (default) zonelist order.
Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx>
Cc: Balbir Singh <balbir@xxxxxxxxxxxxxxxxxx>
Cc: Pavel Emelianov <xemul@xxxxxxxxxx>
Cc: Paul Menage <menage@xxxxxxxxxx>
Cc: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
Cc: "Eric W. Biederman" <ebiederm@xxxxxxxxxxxx>
Cc: Nick Piggin <nickpiggin@xxxxxxxxxxxx>
Cc: Kirill Korotaev <dev@xxxxx>
Cc: Herbert Poetzl <herbert@xxxxxxxxxxxx>
Cc: David Rientjes <rientjes@xxxxxxxxxx>
Cc: Vaidyanathan Srinivasan <svaidy@xxxxxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/vmscan.c | 10 ++++------
1 file changed, 4 insertions(+), 6 deletions(-)
diff -puN mm/vmscan.c~memory-cgroup-enhancements-fix-zone-handling-in-try_to_free_mem_cgroup_page mm/vmscan.c
--- a/mm/vmscan.c~memory-cgroup-enhancements-fix-zone-handling-in-try_to_free_mem_cgroup_page
+++ a/mm/vmscan.c
@@ -1368,15 +1368,13 @@ unsigned long try_to_free_mem_cgroup_pag
.mem_cgroup = mem_cont,
.isolate_pages = mem_cgroup_isolate_pages,
};
- int node;
+ int node = numa_node_id();
struct zone **zones;
int target_zone = gfp_zone(GFP_HIGHUSER_MOVABLE);
- for_each_online_node(node) {
- zones = NODE_DATA(node)->node_zonelists[target_zone].zones;
- if (do_try_to_free_pages(zones, sc.gfp_mask, &sc))
- return 1;
- }
+ zones = NODE_DATA(node)->node_zonelists[target_zone].zones;
+ if (do_try_to_free_pages(zones, sc.gfp_mask, &sc))
+ return 1;
return 0;
}
#endif
_
Patches currently in -mm which might be from kamezawa.hiroyu@xxxxxxxxxxxxxx are
git-sh.patch
memory-hotplug-add-removable-to-sysfs-to-show-memblock-removability.patch
pie-executable-randomization.patch
pie-executable-randomization-checkpatch-fixes.patch
memory-controller-make-charging-gfp-mask-aware-fix.patch
bugfix-for-memory-cgroup-controller-charge-refcnt-race-fix.patch
bugfix-for-memory-cgroup-controller-fix-error-handling-path-in-mem_charge_cgroup.patch
bugfix-for-memory-controller-add-helper-function-for-assigning-cgroup-to-page.patch
bugfix-for-memory-cgroup-controller-avoid-pagelru-page-in-mem_cgroup_isolate_pages.patch
bugfix-for-memory-cgroup-controller-avoid-pagelru-page-in-mem_cgroup_isolate_pages-fix.patch
bugfix-for-memory-cgroup-controller-migration-under-memory-controller-fix.patch
memory-cgroup-enhancements-fix-zone-handling-in-try_to_free_mem_cgroup_page.patch
memory-cgroup-enhancements-force_empty-interface-for-dropping-all-account-in-empty-cgroup.patch
memory-cgroup-enhancements-remember-a-page-is-charged-as-page-cache.patch
memory-cgroup-enhancements-remember-a-page-is-on-active-list-of-cgroup-or-not.patch
memory-cgroup-enhancements-add-status-accounting-function-for-memory-cgroup.patch
memory-cgroup-enhancements-add-memorystat-file.patch
memory-cgroup-enhancements-add-pre_destroy-handler.patch
memory-cgroup-enhancements-implicit-force-empty-at-rmdir.patch
-
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