summaryrefslogtreecommitdiff
path: root/mm/damon/sysfs-schemes.c
diff options
context:
space:
mode:
Diffstat (limited to 'mm/damon/sysfs-schemes.c')
-rw-r--r--mm/damon/sysfs-schemes.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/mm/damon/sysfs-schemes.c b/mm/damon/sysfs-schemes.c
index 6d3462eb31f2..9a015079f3a4 100644
--- a/mm/damon/sysfs-schemes.c
+++ b/mm/damon/sysfs-schemes.c
@@ -1635,6 +1635,7 @@ void damon_sysfs_schemes_update_stats(
*/
static struct damon_sysfs_schemes *damon_sysfs_schemes_for_damos_callback;
static int damon_sysfs_schemes_region_idx;
+static bool damos_regions_upd_total_bytes_only;
/*
* DAMON callback that called before damos apply. While this callback is
@@ -1664,6 +1665,9 @@ static int damon_sysfs_before_damos_apply(struct damon_ctx *ctx,
sysfs_regions = sysfs_schemes->schemes_arr[schemes_idx]->tried_regions;
sysfs_regions->total_bytes += r->ar.end - r->ar.start;
+ if (damos_regions_upd_total_bytes_only)
+ return 0;
+
region = damon_sysfs_scheme_region_alloc(r);
list_add_tail(&region->list, &sysfs_regions->regions_list);
sysfs_regions->nr_regions++;
@@ -1702,10 +1706,11 @@ int damon_sysfs_schemes_clear_regions(
/* Called from damon_sysfs_cmd_request_callback under damon_sysfs_lock */
int damon_sysfs_schemes_update_regions_start(
struct damon_sysfs_schemes *sysfs_schemes,
- struct damon_ctx *ctx)
+ struct damon_ctx *ctx, bool total_bytes_only)
{
damon_sysfs_schemes_clear_regions(sysfs_schemes, ctx);
damon_sysfs_schemes_for_damos_callback = sysfs_schemes;
+ damos_regions_upd_total_bytes_only = total_bytes_only;
ctx->callback.before_damos_apply = damon_sysfs_before_damos_apply;
return 0;
}