pageflags: use proper page flag functions in Xen
Xen uses bitops to manipulate page flags. Make it use proper page flag
functions.
Signed-off-by: Christoph Lameter <clameter@sgi.com>
Cc: Andy Whitcroft <apw@shadowen.org>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Rik van Riel <riel@redhat.com>
Cc: Mel Gorman <mel@csn.ul.ie>
Cc: Jeremy Fitzhardinge <jeremy@goop.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/arch/x86/xen/mmu.c b/arch/x86/xen/mmu.c
index 6cbcf65..126766d 100644
--- a/arch/x86/xen/mmu.c
+++ b/arch/x86/xen/mmu.c
@@ -387,7 +387,7 @@
static int pin_page(struct page *page, enum pt_level level)
{
- unsigned pgfl = test_and_set_bit(PG_pinned, &page->flags);
+ unsigned pgfl = TestSetPagePinned(page);
int flush;
if (pgfl)
@@ -468,7 +468,7 @@
static int unpin_page(struct page *page, enum pt_level level)
{
- unsigned pgfl = test_and_clear_bit(PG_pinned, &page->flags);
+ unsigned pgfl = TestClearPagePinned(page);
if (pgfl && !PageHighMem(page)) {
void *pt = lowmem_page_address(page);
diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h
index ed7659a..3cafd87 100644
--- a/include/linux/page-flags.h
+++ b/include/linux/page-flags.h
@@ -159,7 +159,7 @@
PAGEFLAG(Active, active) __CLEARPAGEFLAG(Active, active)
__PAGEFLAG(Slab, slab)
PAGEFLAG(Checked, checked) /* Used by some filesystems */
-PAGEFLAG(Pinned, pinned) /* Xen pinned pagetable */
+PAGEFLAG(Pinned, pinned) TESTSCFLAG(Pinned, pinned) /* Xen pagetable */
PAGEFLAG(Reserved, reserved) __CLEARPAGEFLAG(Reserved, reserved)
PAGEFLAG(Private, private) __CLEARPAGEFLAG(Private, private)
__SETPAGEFLAG(Private, private)