Kernel/linux-next
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git synced 2024-12-29 17:22:07 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

debugobjects: Provide and use free_object_list()

Browse Source 
Move the loop to free a list of objects into a helper function so it can be
reused later.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/all/20241007164913.453912357@linutronix.de
This commit is contained in:
Thomas Gleixner 2024-10-07 18:50:01 +02:00
parent 241463f4fd
commit 49a5cb827d
1 changed files with 16 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

22
lib/debugobjects.c
View File

@ -125,6 +125,20 @@ static const char *obj_states[ODEBUG_STATE_MAX] = {
[ODEBUG_STATE_NOTAVAILABLE] = "not available",
};
static void free_object_list(struct hlist_head *head)
{
struct hlist_node *tmp;
struct debug_obj *obj;
int cnt = 0;
hlist_for_each_entry_safe(obj, tmp, head, node) {
hlist_del(&obj->node);
kmem_cache_free(obj_cache, obj);
cnt++;
}
debug_objects_freed += cnt;
}
static void fill_pool(void)
{
gfp_t gfp = __GFP_HIGH | __GFP_NOWARN;
@ -286,7 +300,6 @@ alloc_object(void *addr, struct debug_bucket *b, const struct debug_obj_descr *d
*/
static void free_obj_work(struct work_struct *work)
{
struct hlist_node *tmp;
struct debug_obj *obj;
unsigned long flags;
HLIST_HEAD(tofree);
@ -323,15 +336,11 @@ static void free_obj_work(struct work_struct *work)
*/
if (obj_nr_tofree) {
hlist_move_list(&obj_to_free, &tofree);
debug_objects_freed += obj_nr_tofree;
WRITE_ONCE(obj_nr_tofree, 0);
}
raw_spin_unlock_irqrestore(&pool_lock, flags);
hlist_for_each_entry_safe(obj, tmp, &tofree, node) {
hlist_del(&obj->node);
kmem_cache_free(obj_cache, obj);
}
free_object_list(&tofree);
}
static void __free_object(struct debug_obj *obj)
@ -1334,6 +1343,7 @@ static bool __init debug_objects_replace_static_objects(struct kmem_cache *cache
}
return true;
free:
/* Can't use free_object_list() as the cache is not populated yet */
hlist_for_each_entry_safe(obj, tmp, &objects, node) {
hlist_del(&obj->node);
kmem_cache_free(cache, obj);