diff options
| -rw-r--r-- | mm/zsmalloc.c | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/mm/zsmalloc.c b/mm/zsmalloc.c index 27b9661c8fa6..615b9b9b45eb 100644 --- a/mm/zsmalloc.c +++ b/mm/zsmalloc.c @@ -643,13 +643,22 @@ static void insert_zspage(struct page *page, struct size_class *class, if (fullness >= _ZS_NR_FULLNESS_GROUPS) return; - head = &class->fullness_list[fullness]; - if (*head) - list_add_tail(&page->lru, &(*head)->lru); - - *head = page; zs_stat_inc(class, fullness == ZS_ALMOST_EMPTY ? CLASS_ALMOST_EMPTY : CLASS_ALMOST_FULL, 1); + + head = &class->fullness_list[fullness]; + if (!*head) { + *head = page; + return; + } + + /* + * We want to see more ZS_FULL pages and less almost + * empty/full. Put pages with higher ->inuse first. + */ + list_add_tail(&page->lru, &(*head)->lru); + if (page->inuse >= (*head)->inuse) + *head = page; } /* |