github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-05-30 01:53:29 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

mm/damon/lru_sort: use damon_call() repeat mode instead of damon_callback

Browse Source 
DAMON_LRU_SORT uses damon_callback for periodically reading and writing
DAMON internal data and parameters.  Use its alternative, damon_call()
repeat mode.

Link: https://lkml.kernel.org/r/20250712195016.151108-6-sj@kernel.org
Signed-off-by: SeongJae Park <sj@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
SeongJae Park 2025-07-12 12:50:07 -07:00 committed by Andrew Morton
parent 5da7c70318
commit 9cc8f00e52
1 changed files with 35 additions and 35 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

70
mm/damon/lru_sort.c
View File

@ -230,6 +230,39 @@ static int damon_lru_sort_apply_parameters(void)
return err;
}
static int damon_lru_sort_handle_commit_inputs(void)
{
int err;
if (!commit_inputs)
return 0;
err = damon_lru_sort_apply_parameters();
commit_inputs = false;
return err;
}
static int damon_lru_sort_damon_call_fn(void *arg)
{
struct damon_ctx *c = arg;
struct damos *s;
/* update the stats parameter */
damon_for_each_scheme(s, c) {
if (s->action == DAMOS_LRU_PRIO)
damon_lru_sort_hot_stat = s->stat;
else if (s->action == DAMOS_LRU_DEPRIO)
damon_lru_sort_cold_stat = s->stat;
}
return damon_lru_sort_handle_commit_inputs();
}
static struct damon_call_control call_control = {
.fn = damon_lru_sort_damon_call_fn,
.repeat = true,
};
static int damon_lru_sort_turn(bool on)
{
int err;
@ -249,7 +282,7 @@ static int damon_lru_sort_turn(bool on)
if (err)
return err;
kdamond_pid = ctx->kdamond->pid;
return 0;
return damon_call(ctx, &call_control);
}
static int damon_lru_sort_enabled_store(const char *val,
@ -288,38 +321,6 @@ module_param_cb(enabled, &enabled_param_ops, &enabled, 0600);
MODULE_PARM_DESC(enabled,
"Enable or disable DAMON_LRU_SORT (default: disabled)");
static int damon_lru_sort_handle_commit_inputs(void)
{
int err;
if (!commit_inputs)
return 0;
err = damon_lru_sort_apply_parameters();
commit_inputs = false;
return err;
}
static int damon_lru_sort_after_aggregation(struct damon_ctx *c)
{
struct damos *s;
/* update the stats parameter */
damon_for_each_scheme(s, c) {
if (s->action == DAMOS_LRU_PRIO)
damon_lru_sort_hot_stat = s->stat;
else if (s->action == DAMOS_LRU_DEPRIO)
damon_lru_sort_cold_stat = s->stat;
}
return damon_lru_sort_handle_commit_inputs();
}
static int damon_lru_sort_after_wmarks_check(struct damon_ctx *c)
{
return damon_lru_sort_handle_commit_inputs();
}
static int __init damon_lru_sort_init(void)
{
int err = damon_modules_new_paddr_ctx_target(&ctx, &target);
@ -327,8 +328,7 @@ static int __init damon_lru_sort_init(void)
if (err)
goto out;
ctx->callback.after_wmarks_check = damon_lru_sort_after_wmarks_check;
ctx->callback.after_aggregation = damon_lru_sort_after_aggregation;
call_control.data = ctx;
/* 'enabled' has set before this function, probably via command line */
if (enabled)