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authorSeongJae Park <sj@kernel.org>2022-06-06 20:23:06 +0200
committerakpm <akpm@linux-foundation.org>2022-07-04 03:08:38 +0200
commitc9e124e0382d83d458db204f929002ea98daa6a8 (patch)
tree7c3f1f9a10a335ce423ff9706c8690968712cede /mm/damon/dbgfs.c
parentDocs/admin-guide/damon/reclaim: remove a paragraph that been obsolete due to ... (diff)
downloadlinux-c9e124e0382d83d458db204f929002ea98daa6a8.tar.xz
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mm/damon/{dbgfs,sysfs}: move target_has_pid() from dbgfs to damon.h
The function for knowing if given monitoring context's targets will have pid or not is defined and used in dbgfs only. However, the logic is also needed for sysfs. This commit moves the code to damon.h and makes both dbgfs and sysfs to use it. Link: https://lkml.kernel.org/r/20220606182310.48781-3-sj@kernel.org Signed-off-by: SeongJae Park <sj@kernel.org> Cc: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm/damon/dbgfs.c')
-rw-r--r--mm/damon/dbgfs.c15
1 files changed, 5 insertions, 10 deletions
diff --git a/mm/damon/dbgfs.c b/mm/damon/dbgfs.c
index a0dab8b5e45f..5ae810927309 100644
--- a/mm/damon/dbgfs.c
+++ b/mm/damon/dbgfs.c
@@ -275,11 +275,6 @@ out:
return ret;
}
-static inline bool target_has_pid(const struct damon_ctx *ctx)
-{
- return ctx->ops.id == DAMON_OPS_VADDR;
-}
-
static ssize_t sprint_target_ids(struct damon_ctx *ctx, char *buf, ssize_t len)
{
struct damon_target *t;
@@ -288,7 +283,7 @@ static ssize_t sprint_target_ids(struct damon_ctx *ctx, char *buf, ssize_t len)
int rc;
damon_for_each_target(t, ctx) {
- if (target_has_pid(ctx))
+ if (damon_target_has_pid(ctx))
/* Show pid numbers to debugfs users */
id = pid_vnr(t->pid);
else
@@ -415,7 +410,7 @@ static int dbgfs_set_targets(struct damon_ctx *ctx, ssize_t nr_targets,
struct damon_target *t, *next;
damon_for_each_target_safe(t, next, ctx) {
- if (target_has_pid(ctx))
+ if (damon_target_has_pid(ctx))
put_pid(t->pid);
damon_destroy_target(t);
}
@@ -425,11 +420,11 @@ static int dbgfs_set_targets(struct damon_ctx *ctx, ssize_t nr_targets,
if (!t) {
damon_for_each_target_safe(t, next, ctx)
damon_destroy_target(t);
- if (target_has_pid(ctx))
+ if (damon_target_has_pid(ctx))
dbgfs_put_pids(pids, nr_targets);
return -ENOMEM;
}
- if (target_has_pid(ctx))
+ if (damon_target_has_pid(ctx))
t->pid = pids[i];
damon_add_target(ctx, t);
}
@@ -722,7 +717,7 @@ static void dbgfs_before_terminate(struct damon_ctx *ctx)
{
struct damon_target *t, *next;
- if (!target_has_pid(ctx))
+ if (!damon_target_has_pid(ctx))
return;
mutex_lock(&ctx->kdamond_lock);