Commit dab7711f authored by Johannes Weiner's avatar Johannes Weiner Committed by Andrew Morton
Browse files

mm: zswap: clean up zswap_entry_put() 

Remove stale comment and unnecessary local variable.

Link: https://lkml.kernel.org/r/20240130014208.565554-6-hannes@cmpxchg.org


Signed-off-by: default avatarJohannes Weiner <hannes@cmpxchg.org>
Acked-by: default avatarYosry Ahmed <yosryahmed@google.com>
Reviewed-by: default avatarNhat Pham <nphamcs@gmail.com>
Reviewed-by: default avatarChengming Zhou <zhouchengming@bytedance.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
parent e477559c

mm/zswap.c

+3 −7
Original line number Diff line number Diff line
@@ -545,15 +545,11 @@ static void zswap_entry_get(struct zswap_entry *entry) 
	entry->refcount++;

}



/* caller must hold the tree lock

* remove from the tree and free it, if nobody reference the entry

*/

/* caller must hold the tree lock */

static void zswap_entry_put(struct zswap_entry *entry)

{

	int refcount = --entry->refcount;



	WARN_ON_ONCE(refcount < 0);

	if (refcount == 0) {

	WARN_ON_ONCE(!entry->refcount);

	if (--entry->refcount == 0) {

		WARN_ON_ONCE(!RB_EMPTY_NODE(&entry->rbnode));

		zswap_entry_free(entry);

	}