Kernel

memcg: nid and zid can be calculated from zone
On Fri, 16 Jul 2010 19:15:05 +0900 (JST) KOSAKI Motohiro <kosaki.motohiro(a)jp.fujitsu.com> wrote: mem_cgroup_soft_limit_reclaim() has zone, nid and zid argument. but nid and zid can be calculated from zone. So remove it. Signed-off-by: KOSAKI Motohiro <kosaki.motohiro(a)jp.fujitsu.com> Acked-by: KAM... 22 Jul 2010 08:06

memcg: sc.nr_to_reclaim should be initialized
On Fri, 16 Jul 2010 19:13:31 +0900 (JST) KOSAKI Motohiro <kosaki.motohiro(a)jp.fujitsu.com> wrote: Currently, mem_cgroup_shrink_node_zone() initialize sc.nr_to_reclaim as 0. It mean shrink_zone() only scan 32 pages and immediately return even if it doesn't reclaim any pages. This patch fixes it. ... 25 Jul 2010 12:58

[PATCH 1/7] memcg: sc.nr_to_reclaim should be initialized
Currently, mem_cgroup_shrink_node_zone() initialize sc.nr_to_reclaim as 0. It mean shrink_zone() only scan 32 pages and immediately return even if it doesn't reclaim any pages. This patch fixes it. Signed-off-by: KOSAKI Motohiro <kosaki.motohiro(a)jp.fujitsu.com> --- mm/vmscan.c | 1 + 1 files changed, 1 i... 16 Jul 2010 06:38

[PATCH 3/7] memcg: nid and zid can be calculated from zone
mem_cgroup_soft_limit_reclaim() has zone, nid and zid argument. but nid and zid can be calculated from zone. So remove it. Signed-off-by: KOSAKI Motohiro <kosaki.motohiro(a)jp.fujitsu.com> --- include/linux/memcontrol.h | 6 +++--- include/linux/mmzone.h | 5 +++++ mm/memcontrol.c | 5 +... 16 Jul 2010 06:38

[PATCH 0/7] memcg reclaim tracepoint
Recently, Mel Gorman added some vmscan tracepoint. but they can't trace memcg. So, This patch series does. following three patches are nit fix and cleanups. memcg: sc.nr_to_reclaim should be initialized memcg: mem_cgroup_shrink_node_zone() doesn't need sc.nodemask memcg: nid and zid can be calculated f... 16 Jul 2010 06:38

[PATCH 4/7] vmscan: convert direct reclaim tracepoint to DEFINE_EVENT
TRACE_EVENT() is a bit old fashion. convert it. no functionally change. Signed-off-by: KOSAKI Motohiro <kosaki.motohiro(a)jp.fujitsu.com> --- include/trace/events/vmscan.h | 19 +++++++++++++++++-- 1 files changed, 17 insertions(+), 2 deletions(-) diff --git a/include/trace/events/vmscan.h b/include/trac... 16 Jul 2010 06:38

[PATCH 7/7] memcg: add mm_vmscan_memcg_isolate tracepoint
Memcg also need to trace page isolation information as global reclaim. This patch does it. Signed-off-by: KOSAKI Motohiro <kosaki.motohiro(a)jp.fujitsu.com> --- include/trace/events/vmscan.h | 15 +++++++++++++++ mm/memcontrol.c | 7 +++++++ 2 files changed, 22 insertions(+), 0 deletions(-) ... 16 Jul 2010 06:38

[PATCH 5/7] memcg, vmscan: add memcg reclaim tracepoint
Memcg also need to trace reclaim progress as direct reclaim. This patch add it. Signed-off-by: KOSAKI Motohiro <kosaki.motohiro(a)jp.fujitsu.com> --- include/trace/events/vmscan.h | 28 ++++++++++++++++++++++++++++ mm/vmscan.c | 19 ++++++++++++++++++- 2 files changed, 46 insertions(+), 1... 16 Jul 2010 06:38

[PATCH 2/7] memcg: mem_cgroup_shrink_node_zone() doesn't need sc.nodemask
Currently mem_cgroup_shrink_node_zone() call shrink_zone() directly. thus it doesn't need to initialize sc.nodemask. shrink_zone() doesn't use it at all. Signed-off-by: KOSAKI Motohiro <kosaki.motohiro(a)jp.fujitsu.com> --- include/linux/swap.h | 3 +-- mm/memcontrol.c | 3 +-- mm/vmscan.c |... 16 Jul 2010 06:38

Badness with the kernel version 2.6.35-rc1-git1 running on P6 box
Le vendredi 16 juillet 2010 à 14:20 +0530, divya a écrit : Hi , With the latest kernel version 2.6.35-rc5-git1(2f7989efd4398) running on power(p6) box came across the following call trace Call Trace: [c000000006a0e800] [c000000000011c30] .show_stack+0x6c/0x16c (unreliable) [c000000006a0e8b0] [... 20 Jul 2010 05:54