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zsmalloc: use PageFlag macro instead of [set|test]_bit 

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

Signed-off-by: Minchan Kim <minchan@kernel.org>
Acked-by: Nitin Gupta <ngupta@vflare.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Minchan Kim 2012-04-25 15:23:09 +09:00 committed by Greg Kroah-Hartman
parent ae467dd55d
commit a27545bf0b
1 changed files with 4 additions and 5 deletions
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9
drivers/staging/zsmalloc/zsmalloc-main.c
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@ -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,
@ -371,7 +371,7 @@ 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;
@ -383,8 +383,7 @@ 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;
}