RE: [PATCH v2] z3fold: fix reclaim lock-ups

[Jongseok Kim]

A headless page also need to be set UNDER_RECLAIM in previous
reply, but I missed it.

---
 mm/z3fold.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/mm/z3fold.c b/mm/z3fold.c
index 5f659ab..8536a47 100644
--- a/mm/z3fold.c
+++ b/mm/z3fold.c
@@ -849,10 +849,10 @@ static int z3fold_reclaim_page(struct z3fold_pool *pool, 
unsigned int retries)
                        kref_get(&zhdr->refcount);
                        list_del_init(&zhdr->buddy);
                        zhdr->cpu = -1;
-                       set_bit(UNDER_RECLAIM, &page->private);
                        break;
                }
 
+               set_bit(UNDER_RECLAIM, &page->private);
                list_del_init(&page->lru);
                spin_unlock(&pool->lock);
 
@@ -899,6 +899,7 @@ static int z3fold_reclaim_page(struct z3fold_pool *pool, 
unsigned int retries)
                }
 next:
                if (test_bit(PAGE_HEADLESS, &page->private)) {
+                       clear_bit(UNDER_RECLAIM, &page->private);
                        if (ret == 0) {
                                free_z3fold_page(page);
                                atomic64_dec(&pool->pages_nr);
-- 
2.7.4