From: Jeremy Fitzhardinge Date: Wed, 18 Jul 2007 01:37:05 +0000 (-0700) Subject: xen: add pinned page flag X-Git-Tag: v2.6.23-rc1~498^2~20 X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c85b04c3749507546f6d5868976e4793e35c2ec0;p=linux-2.6 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 Signed-off-by: Chris Wright --- diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h index ae2d79f210..731cd2ac32 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)