summaryrefslogtreecommitdiff
path: root/mm/zsmalloc.c
diff options
context:
space:
mode:
Diffstat (limited to 'mm/zsmalloc.c')
-rw-r--r--mm/zsmalloc.c10
1 files changed, 1 insertions, 9 deletions
diff --git a/mm/zsmalloc.c b/mm/zsmalloc.c
index a1f24989ac23..b7b1fb6c8c21 100644
--- a/mm/zsmalloc.c
+++ b/mm/zsmalloc.c
@@ -24,7 +24,6 @@
*
* Usage of struct page flags:
* PG_private: identifies the first component page
- * PG_private2: identifies the last component page
* PG_owner_priv_1: identifies the huge component page
*
*/
@@ -268,10 +267,6 @@ struct zs_pool {
#endif
};
-/*
- * A zspage's class index and fullness group
- * are encoded in its (first)page->mapping
- */
#define FULLNESS_BITS 2
#define CLASS_BITS 8
#define ISOLATED_BITS 3
@@ -938,7 +933,6 @@ static void reset_page(struct page *page)
{
__ClearPageMovable(page);
ClearPagePrivate(page);
- ClearPagePrivate2(page);
set_page_private(page, 0);
page_mapcount_reset(page);
ClearPageHugeObject(page);
@@ -1085,7 +1079,7 @@ static void create_page_chain(struct size_class *class, struct zspage *zspage,
* 2. each sub-page point to zspage using page->private
*
* we set PG_private to identify the first page (i.e. no other sub-page
- * has this flag set) and PG_private_2 to identify the last page.
+ * has this flag set).
*/
for (i = 0; i < nr_pages; i++) {
page = pages[i];
@@ -1100,8 +1094,6 @@ static void create_page_chain(struct size_class *class, struct zspage *zspage,
} else {
prev_page->freelist = page;
}
- if (i == nr_pages - 1)
- SetPagePrivate2(page);
prev_page = page;
}
}