__zs_compact() does not use `nr_to_migrate', drop it.
Signed-off-by: Sergey Senozhatsky <sergey.senozhatsky@xxxxxxxxx>
Acked-by: Minchan Kim <minchan@xxxxxxxxxx>
---
mm/zsmalloc.c | 4 ----
1 file changed, 4 deletions(-)
diff --git a/mm/zsmalloc.c b/mm/zsmalloc.c
index 0a7f81a..7d816c2 100644
--- a/mm/zsmalloc.c
+++ b/mm/zsmalloc.c
@@ -1703,7 +1703,6 @@ static struct page *isolate_source_page(struct size_class *class)
static unsigned long __zs_compact(struct zs_pool *pool,
struct size_class *class)
{
- int nr_to_migrate;
struct zs_compact_control cc;
struct page *src_page;
struct page *dst_page = NULL;
@@ -1714,8 +1713,6 @@ static unsigned long __zs_compact(struct zs_pool *pool,
BUG_ON(!is_first_page(src_page));
- /* The goal is to migrate all live objects in source page */
- nr_to_migrate = src_page->inuse;
cc.index = 0;
cc.s_page = src_page;
@@ -1730,7 +1727,6 @@ static unsigned long __zs_compact(struct zs_pool *pool,
putback_zspage(pool, class, dst_page);
nr_total_migrated += cc.nr_migrated;
- nr_to_migrate -= cc.nr_migrated;
}
/* Stop if we couldn't find slot */
--
2.4.4
--
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