The patch titled
Subject: memcg: track resource index in cftype private
has been removed from the -mm tree. Its filename was
memcg-track-resource-index-in-cftype-private.patch
This patch was dropped because an updated version will be merged
The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
------------------------------------------------------
From: "Aneesh Kumar K.V" <aneesh.kumar@xxxxxxxxxxxxxxxxxx>
Subject: memcg: track resource index in cftype private
This patch adds a new charge type _MEMHUGETLB for tracking hugetlb
resources. We also use cftype to encode the hugetlb resource index. This
helps in using same memcg callbacks for hugetlb control files.
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@xxxxxxxxxxxxxxxxxx>
Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx>
Cc: Hillf Danton <dhillf@xxxxxxxxx>
Cc: Michal Hocko <mhocko@xxxxxxx>
Cc: Andrea Arcangeli <aarcange@xxxxxxxxxx>
Cc: Johannes Weiner <hannes@xxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/memcontrol.c | 27 +++++++++++++++++++++------
1 file changed, 21 insertions(+), 6 deletions(-)
diff -puN mm/memcontrol.c~memcg-track-resource-index-in-cftype-private mm/memcontrol.c
--- a/mm/memcontrol.c~memcg-track-resource-index-in-cftype-private
+++ a/mm/memcontrol.c
@@ -403,9 +403,14 @@ enum charge_type {
#define _MEM (0)
#define _MEMSWAP (1)
#define _OOM_TYPE (2)
-#define MEMFILE_PRIVATE(x, val) ((x) << 16 | (val))
-#define MEMFILE_TYPE(val) ((val) >> 16 & 0xffff)
-#define MEMFILE_ATTR(val) ((val) & 0xffff)
+#define _MEMHUGETLB (3)
+
+/* 0 ... val ...16.... x...24...idx...32*/
+#define __MEMFILE_PRIVATE(idx, x, val) ((idx) << 24 | ((x) << 16) | (val))
+#define MEMFILE_PRIVATE(x, val) __MEMFILE_PRIVATE(0, x, val)
+#define MEMFILE_TYPE(val) ((val) >> 16 & 0xff)
+#define MEMFILE_IDX(val) ((val) >> 24 & 0xff)
+#define MEMFILE_ATTR(val) ((val) & 0xffff)
/* Used for OOM nofiier */
#define OOM_CONTROL (0)
@@ -3969,7 +3974,7 @@ static ssize_t mem_cgroup_read(struct cg
struct mem_cgroup *memcg = mem_cgroup_from_cont(cont);
char str[64];
u64 val;
- int type, name, len;
+ int type, name, len, idx;
type = MEMFILE_TYPE(cft->private);
name = MEMFILE_ATTR(cft->private);
@@ -3990,6 +3995,10 @@ static ssize_t mem_cgroup_read(struct cg
else
val = res_counter_read_u64(&memcg->memsw, name);
break;
+ case _MEMHUGETLB:
+ idx = MEMFILE_IDX(cft->private);
+ val = res_counter_read_u64(&memcg->hugepage[idx], name);
+ break;
default:
BUG();
}
@@ -4027,7 +4036,10 @@ static int mem_cgroup_write(struct cgrou
break;
if (type == _MEM)
ret = mem_cgroup_resize_limit(memcg, val);
- else
+ else if (type == _MEMHUGETLB) {
+ int idx = MEMFILE_IDX(cft->private);
+ ret = res_counter_set_limit(&memcg->hugepage[idx], val);
+ } else
ret = mem_cgroup_resize_memsw_limit(memcg, val);
break;
case RES_SOFT_LIMIT:
@@ -4093,7 +4105,10 @@ static int mem_cgroup_reset(struct cgrou
case RES_MAX_USAGE:
if (type == _MEM)
res_counter_reset_max(&memcg->res);
- else
+ else if (type == _MEMHUGETLB) {
+ int idx = MEMFILE_IDX(event);
+ res_counter_reset_max(&memcg->hugepage[idx]);
+ } else
res_counter_reset_max(&memcg->memsw);
break;
case RES_FAILCNT:
_
Patches currently in -mm which might be from aneesh.kumar@xxxxxxxxxxxxxxxxxx are
linux-next.patch
hugetlbfs-add-memcg-control-files-for-hugetlbfs.patch
hugetlbfs-add-memcg-control-files-for-hugetlbfs-use-scnprintf-instead-of-sprintf.patch
hugetlbfs-add-memcg-control-files-for-hugetlbfs-use-scnprintf-instead-of-sprintf-fix.patch
hugetlbfs-add-memcg-control-files-for-hugetlbfs-add-failcnt-support-for-hugetlb-extension.patch
hugetlbfs-add-a-list-for-tracking-in-use-hugetlb-pages.patch
memcg-move-hugetlb-resource-count-to-parent-cgroup-on-memcg-removal.patch
memcg-move-hugetlb-resource-count-to-parent-cgroup-on-memcg-removal-fix.patch
memcg-move-hugetlb-resource-count-to-parent-cgroup-on-memcg-removal-fix-fix.patch
hugetlb-migrate-memcg-info-from-oldpage-to-new-page-during-migration.patch
hugetlb-migrate-memcg-info-from-oldpage-to-new-page-during-migration-fix.patch
hugetlb-migrate-memcg-info-from-oldpage-to-new-page-during-migration-fix-2.patch
memcg-add-memory-controller-documentation-for-hugetlb-management.patch
memcg-fix-error-code-in-hugetlb_force_memcg_empty.patch
memcg-fix-error-code-in-hugetlb_force_memcg_empty-v2.patch
memcg-fix-error-code-in-hugetlb_force_memcg_empty-v2-checkpatch-fixes.patch
memcg-use-res_counter_uncharge_until-in-mem_cgroup_move_hugetlb_parent.patch
memcg-move-charges-to-root-cgroup-if-use_hierarchy=0-in-mem_cgroup_move_hugetlb_parent.patch
--
To unsubscribe from this list: send the line "unsubscribe mm-commits" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
