[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] [patch 16/33] xen: 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@xxxxxxxxxxxxx> --- include/linux/page-flags.h | 5 +++++ 1 file changed, 5 insertions(+) =================================================================== --- a/include/linux/page-flags.h +++ b/include/linux/page-flags.h @@ -93,6 +93,7 @@ /* 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(struc #define PageChecked(page) test_bit(PG_checked, &(page)->flags) #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) -- _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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