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Diffstat (limited to 'mm/damon/sysfs.c')
-rw-r--r--mm/damon/sysfs.c69
1 files changed, 29 insertions, 40 deletions
diff --git a/mm/damon/sysfs.c b/mm/damon/sysfs.c
index 09f9e8ca3d1f..7488e27c87c3 100644
--- a/mm/damon/sysfs.c
+++ b/mm/damon/sysfs.c
@@ -762,6 +762,8 @@ static const char * const damon_sysfs_damos_action_strs[] = {
"pageout",
"hugepage",
"nohugepage",
+ "lru_prio",
+ "lru_deprio",
"stat",
};
@@ -2136,8 +2138,7 @@ static void damon_sysfs_destroy_targets(struct damon_ctx *ctx)
struct damon_target *t, *next;
damon_for_each_target_safe(t, next, ctx) {
- if (ctx->ops.id == DAMON_OPS_VADDR ||
- ctx->ops.id == DAMON_OPS_FVADDR)
+ if (damon_target_has_pid(ctx))
put_pid(t->pid);
damon_destroy_target(t);
}
@@ -2181,8 +2182,7 @@ static int damon_sysfs_add_target(struct damon_sysfs_target *sys_target,
if (!t)
return -ENOMEM;
- if (ctx->ops.id == DAMON_OPS_VADDR ||
- ctx->ops.id == DAMON_OPS_FVADDR) {
+ if (damon_target_has_pid(ctx)) {
t->pid = find_get_pid(sys_target->pid);
if (!t->pid)
goto destroy_targets_out;
@@ -2210,7 +2210,7 @@ static struct damon_target *damon_sysfs_existing_target(
struct pid *pid;
struct damon_target *t;
- if (ctx->ops.id == DAMON_OPS_PADDR) {
+ if (!damon_target_has_pid(ctx)) {
/* Up to only one target for paddr could exist */
damon_for_each_target(t, ctx)
return t;
@@ -2359,6 +2359,23 @@ static inline bool damon_sysfs_kdamond_running(
damon_sysfs_ctx_running(kdamond->damon_ctx);
}
+static int damon_sysfs_apply_inputs(struct damon_ctx *ctx,
+ struct damon_sysfs_context *sys_ctx)
+{
+ int err;
+
+ err = damon_select_ops(ctx, sys_ctx->ops_id);
+ if (err)
+ return err;
+ err = damon_sysfs_set_attrs(ctx, sys_ctx->attrs);
+ if (err)
+ return err;
+ err = damon_sysfs_set_targets(ctx, sys_ctx->targets);
+ if (err)
+ return err;
+ return damon_sysfs_set_schemes(ctx, sys_ctx->schemes);
+}
+
/*
* damon_sysfs_commit_input() - Commit user inputs to a running kdamond.
* @kdamond: The kobject wrapper for the associated kdamond.
@@ -2367,31 +2384,14 @@ static inline bool damon_sysfs_kdamond_running(
*/
static int damon_sysfs_commit_input(struct damon_sysfs_kdamond *kdamond)
{
- struct damon_ctx *ctx = kdamond->damon_ctx;
- struct damon_sysfs_context *sys_ctx;
- int err = 0;
-
if (!damon_sysfs_kdamond_running(kdamond))
return -EINVAL;
/* TODO: Support multiple contexts per kdamond */
if (kdamond->contexts->nr != 1)
return -EINVAL;
- sys_ctx = kdamond->contexts->contexts_arr[0];
-
- err = damon_select_ops(ctx, sys_ctx->ops_id);
- if (err)
- return err;
- err = damon_sysfs_set_attrs(ctx, sys_ctx->attrs);
- if (err)
- return err;
- err = damon_sysfs_set_targets(ctx, sys_ctx->targets);
- if (err)
- return err;
- err = damon_sysfs_set_schemes(ctx, sys_ctx->schemes);
- if (err)
- return err;
- return err;
+ return damon_sysfs_apply_inputs(kdamond->damon_ctx,
+ kdamond->contexts->contexts_arr[0]);
}
/*
@@ -2438,27 +2438,16 @@ static struct damon_ctx *damon_sysfs_build_ctx(
if (!ctx)
return ERR_PTR(-ENOMEM);
- err = damon_select_ops(ctx, sys_ctx->ops_id);
- if (err)
- goto out;
- err = damon_sysfs_set_attrs(ctx, sys_ctx->attrs);
- if (err)
- goto out;
- err = damon_sysfs_set_targets(ctx, sys_ctx->targets);
- if (err)
- goto out;
- err = damon_sysfs_set_schemes(ctx, sys_ctx->schemes);
- if (err)
- goto out;
+ err = damon_sysfs_apply_inputs(ctx, sys_ctx);
+ if (err) {
+ damon_destroy_ctx(ctx);
+ return ERR_PTR(err);
+ }
ctx->callback.after_wmarks_check = damon_sysfs_cmd_request_callback;
ctx->callback.after_aggregation = damon_sysfs_cmd_request_callback;
ctx->callback.before_terminate = damon_sysfs_before_terminate;
return ctx;
-
-out:
- damon_destroy_ctx(ctx);
- return ERR_PTR(err);
}
static int damon_sysfs_turn_damon_on(struct damon_sysfs_kdamond *kdamond)