From 804af2cf6e7af31d2e664b54e657dddd9b531dbd Mon Sep 17 00:00:00 2001 From: Hugh Dickins Date: Wed, 26 Jul 2006 21:39:49 +0100 Subject: [AGPGART] remove private page protection map AGP keeps its own copy of the protection_map, upcoming DRM changes will also require access to this map from modules. Signed-off-by: Hugh Dickins Signed-off-by: Dave Airlie Signed-off-by: Dave Jones --- mm/mmap.c | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'mm/mmap.c') diff --git a/mm/mmap.c b/mm/mmap.c index c1868ecdbc5f..c7ed061f4507 100644 --- a/mm/mmap.c +++ b/mm/mmap.c @@ -60,6 +60,13 @@ pgprot_t protection_map[16] = { __S000, __S001, __S010, __S011, __S100, __S101, __S110, __S111 }; +pgprot_t vm_get_page_prot(unsigned long vm_flags) +{ + return protection_map[vm_flags & + (VM_READ|VM_WRITE|VM_EXEC|VM_SHARED)]; +} +EXPORT_SYMBOL(vm_get_page_prot); + int sysctl_overcommit_memory = OVERCOMMIT_GUESS; /* heuristic overcommit */ int sysctl_overcommit_ratio = 50; /* default is 50% */ int sysctl_max_map_count __read_mostly = DEFAULT_MAX_MAP_COUNT; -- cgit v1.2.3