OpenSDV
/
linux-stable-rt
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

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>
This commit is contained in:
Jeremy Fitzhardinge 2007-07-17 18:37:05 -07:00 committed by Jeremy Fitzhardinge
parent e738fca8d7
commit c85b04c374
1 changed files with 5 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
include/linux/page-flags.h
View File

@ -92,6 +92,7 @@
/* PG_owner_priv_1 users should have descriptive aliases */ /* PG_owner_priv_1 users should have descriptive aliases */
#define PG_checked PG_owner_priv_1 /* Used by some filesystems */ #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) #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 SetPageChecked(page) set_bit(PG_checked, &(page)->flags)
#define ClearPageChecked(page) clear_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 PageReserved(page) test_bit(PG_reserved, &(page)->flags)
#define SetPageReserved(page) set_bit(PG_reserved, &(page)->flags) #define SetPageReserved(page) set_bit(PG_reserved, &(page)->flags)
#define ClearPageReserved(page) clear_bit(PG_reserved, &(page)->flags) #define ClearPageReserved(page) clear_bit(PG_reserved, &(page)->flags)