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authorIngo Molnar <mingo@kernel.org>2023-02-23 09:16:39 +0100
committerIngo Molnar <mingo@kernel.org>2023-02-23 09:16:39 +0100
commit585a78c1f77be305b1f6adad392f16047fb66ffd (patch)
tree765143b487d582832c7695c9fbcae141c35baa4c /mm/shrinker_debug.c
parentx86/entry: Fix unwinding from kprobe on PUSH/POP instruction (diff)
parentMerge tag 'platform-drivers-x86-v6.3-1' of git://git.kernel.org/pub/scm/linux... (diff)
downloadlinux-585a78c1f77be305b1f6adad392f16047fb66ffd.tar.xz
linux-585a78c1f77be305b1f6adad392f16047fb66ffd.zip
Merge branch 'linus' into objtool/core, to pick up Xen dependencies
Pick up dependencies - freshly merged upstream via xen-next - before applying dependent objtool changes. Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'mm/shrinker_debug.c')
-rw-r--r--mm/shrinker_debug.c13
1 files changed, 8 insertions, 5 deletions
diff --git a/mm/shrinker_debug.c b/mm/shrinker_debug.c
index b05295bab322..39c3491e28a3 100644
--- a/mm/shrinker_debug.c
+++ b/mm/shrinker_debug.c
@@ -246,18 +246,21 @@ int shrinker_debugfs_rename(struct shrinker *shrinker, const char *fmt, ...)
}
EXPORT_SYMBOL(shrinker_debugfs_rename);
-void shrinker_debugfs_remove(struct shrinker *shrinker)
+struct dentry *shrinker_debugfs_remove(struct shrinker *shrinker)
{
+ struct dentry *entry = shrinker->debugfs_entry;
+
lockdep_assert_held(&shrinker_rwsem);
kfree_const(shrinker->name);
shrinker->name = NULL;
- if (!shrinker->debugfs_entry)
- return;
+ if (entry) {
+ ida_free(&shrinker_debugfs_ida, shrinker->debugfs_id);
+ shrinker->debugfs_entry = NULL;
+ }
- debugfs_remove_recursive(shrinker->debugfs_entry);
- ida_free(&shrinker_debugfs_ida, shrinker->debugfs_id);
+ return entry;
}
static int __init shrinker_debugfs_init(void)