github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-07-28 01:55:51 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

mm/damon/core: introduce DAMON_FILTER_TYPE_MEMCG

Browse Source 
Belonging memory cgoup is another data attribute that can be useful to
monitor.  Introduce a new DAMON filter type, namely
DAMON_FILTER_TYPE_MEMCG, for monitoring of this attribute.

Link: https://lore.kernel.org/20260518234119.97569-23-sj@kernel.org
Signed-off-by: SeongJae Park <sj@kernel.org>
Cc: David Hildenbrand <david@kernel.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Liam R. Howlett <liam@infradead.org>
Cc: Lorenzo Stoakes <ljs@kernel.org>
Cc: "Masami Hiramatsu (Google)" <mhiramat@kernel.org>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Mike Rapoport <rppt@kernel.org>
Cc: Shuah Khan <shuah@kernel.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: Vlastimil Babka <vbabka@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
SeongJae Park 2026-05-18 16:41:10 -07:00 committed by Andrew Morton
parent 69a7435201
commit d9f23f2f82
2 changed files with 20 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
include/linux/damon.h
View File

@ -742,9 +742,11 @@ struct damon_intervals_goal {
* enum damon_filter_type - Type of &struct damon_filter
*
* @DAMON_FILTER_TYPE_ANON: Anonymous pages.
* @DAMON_FILTER_TYPE_MEMCG: Specific memcg's pages.
*/
enum damon_filter_type {
DAMON_FILTER_TYPE_ANON,
DAMON_FILTER_TYPE_MEMCG,
};
/**
@ -753,12 +755,16 @@ enum damon_filter_type {
* @type: Type of the region.
* @matching: Whether this filter is for the type-matching ones.
* @allow: Whether the @type-@matching ones should pass this filter.
* @memcg_id: Memcg id of the question if @type is DAMON_FILTER_MEMCG.
* @list: Siblings list.
*/
struct damon_filter {
enum damon_filter_type type;
bool matching;
bool allow;
union {
u64 memcg_id;
};
struct list_head list;
};

14
mm/damon/core.c
View File

@ -1430,6 +1430,13 @@ static void damon_commit_filter(struct damon_filter *dst,
dst->type = src->type;
dst->matching = src->matching;
dst->allow = src->allow;
switch (dst->type) {
case DAMON_FILTER_TYPE_MEMCG:
dst->memcg_id = src->memcg_id;
break;
default:
break;
}
}
static int damon_commit_filters(struct damon_probe *dst,
@ -1454,6 +1461,13 @@ static int damon_commit_filters(struct damon_probe *dst,
src_filter->matching, src_filter->allow);
if (!new_filter)
return -ENOMEM;
switch (src_filter->type) {
case DAMON_FILTER_TYPE_MEMCG:
new_filter->memcg_id = src_filter->memcg_id;
break;
default:
break;
}
damon_add_filter(dst, new_filter);
}
return 0;