atomic64_dec(&pool->pages_nr);
}
-static void release_z3fold_page(struct kref *ref)
-{
- struct z3fold_header *zhdr = container_of(ref, struct z3fold_header,
- refcount);
- __release_z3fold_page(zhdr, false);
-}
-
static void release_z3fold_page_locked(struct kref *ref)
{
struct z3fold_header *zhdr = container_of(ref, struct z3fold_header,
break;
}
- if (kref_get_unless_zero(&zhdr->refcount) == 0) {
- zhdr = NULL;
- break;
- }
if (!z3fold_page_trylock(zhdr)) {
- kref_put(&zhdr->refcount, release_z3fold_page);
zhdr = NULL;
continue; /* can't evict at this point */
}
*/
if (zhdr->foreign_handles ||
test_and_set_bit(PAGE_CLAIMED, &page->private)) {
- if (!kref_put(&zhdr->refcount,
- release_z3fold_page_locked))
- z3fold_page_unlock(zhdr);
+ z3fold_page_unlock(zhdr);
zhdr = NULL;
continue; /* can't evict such page */
}
list_del_init(&zhdr->buddy);
zhdr->cpu = -1;
+ /* See comment in __z3fold_alloc. */
+ kref_get(&zhdr->refcount);
break;
}