diff options
| author |   Jeremy Fitzhardinge <jeremy@xensource.com> | 2007-07-17 18:37:05 -0700 |
|---|---|---|
| committer |   Jeremy Fitzhardinge <jeremy@goop.org> | 2007-07-18 08:47:43 -0700 |
| commit | c85b04c3749507546f6d5868976e4793e35c2ec0 (patch) | |
| tree | 77ad99f3850d11dab3df2b8b7e1998754d72d8bd /include | |
| parent | xen: configuration (diff) | |
| download | linux-dev-c85b04c3749507546f6d5868976e4793e35c2ec0.tar.xz linux-dev-c85b04c3749507546f6d5868976e4793e35c2ec0.zip | |
xen: add pinned page flag
Add a new definition for PG_owner_priv_1 to define PG_pinned on Xen
pagetable pages.
Signed-off-by: Jeremy Fitzhardinge <jeremy@xensource.com>
Signed-off-by: Chris Wright <chrisw@sous-sol.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/page-flags.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h index ae2d79f2107e..731cd2ac3227 100644 --- a/include/linux/page-flags.h +++ b/include/linux/page-flags.h @@ -92,6 +92,7 @@ /* PG_owner_priv_1 users should have descriptive aliases */ #define PG_checked PG_owner_priv_1 /* Used by some filesystems */ +#define PG_pinned PG_owner_priv_1 /* Xen pinned pagetable */ #if (BITS_PER_LONG > 32) /* @@ -170,6 +171,10 @@ static inline void SetPageUptodate(struct page *page) #define SetPageChecked(page) set_bit(PG_checked, &(page)->flags) #define ClearPageChecked(page) clear_bit(PG_checked, &(page)->flags) +#define PagePinned(page) test_bit(PG_pinned, &(page)->flags) +#define SetPagePinned(page) set_bit(PG_pinned, &(page)->flags) +#define ClearPagePinned(page) clear_bit(PG_pinned, &(page)->flags) + #define PageReserved(page) test_bit(PG_reserved, &(page)->flags) #define SetPageReserved(page) set_bit(PG_reserved, &(page)->flags) #define ClearPageReserved(page) clear_bit(PG_reserved, &(page)->flags) |