[PATCH 1/6] zsmalloc: use PageFlag macro instead of [set|test]_bit

From: Minchan Kim
Date: Wed Apr 25 2012 - 02:23:37 EST


MM code always uses PageXXX to handle page flags.
Let's keep the consistency.

Signed-off-by: Minchan Kim <minchan@xxxxxxxxxx>
---
drivers/staging/zsmalloc/zsmalloc-main.c | 9 ++++-----
1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/drivers/staging/zsmalloc/zsmalloc-main.c b/drivers/staging/zsmalloc/zsmalloc-main.c
index 917461c..504b6c2 100644
--- a/drivers/staging/zsmalloc/zsmalloc-main.c
+++ b/drivers/staging/zsmalloc/zsmalloc-main.c
@@ -45,12 +45,12 @@ static DEFINE_PER_CPU(struct mapping_area, zs_map_area);

static int is_first_page(struct page *page)
{
- return test_bit(PG_private, &page->flags);
+ return PagePrivate(page);
}

static int is_last_page(struct page *page)
{
- return test_bit(PG_private_2, &page->flags);
+ return PagePrivate2(page);
}

static void get_zspage_mapping(struct page *page, unsigned int *class_idx,
@@ -377,7 +377,7 @@ static struct page *alloc_zspage(struct size_class *class, gfp_t flags)

INIT_LIST_HEAD(&page->lru);
if (i == 0) { /* first page */
- set_bit(PG_private, &page->flags);
+ SetPagePrivate(page);
set_page_private(page, 0);
first_page = page;
first_page->inuse = 0;
@@ -389,8 +389,7 @@ static struct page *alloc_zspage(struct size_class *class, gfp_t flags)
if (i >= 2)
list_add(&page->lru, &prev_page->lru);
if (i == class->zspage_order - 1) /* last page */
- set_bit(PG_private_2, &page->flags);
-
+ SetPagePrivate2(page);
prev_page = page;
}

--
1.7.9.5

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