zsmalloc: drop unused variable `nr_to_migrate'

[mirror_ubuntu-artful-kernel.git] / mm / zsmalloc.c

diff --git a/mm/zsmalloc.c b/mm/zsmalloc.c
index 0a7f81aa2249c2c9925cceadd4737ec8c88bf259..7d816c2d74f9dcc94d9d67a8dd89f5dd8559880c 100644 (file)
--- 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 */