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authorIngo Molnar <mingo@elte.hu>2008-06-16 10:17:15 +0200
committerIngo Molnar <mingo@elte.hu>2008-06-16 10:17:15 +0200
commit28638ea4f8adb63f837e4436560ab16ab0388587 (patch)
tree2dab7a03d7696697c82ba62a03700d3a2f3639b1 /mm/mprotect.c
parentf781b03c4b1c713ac000877c8bbc31fc4164a29b (diff)
parent066519068ad2fbe98c7f45552b1f592903a9c8c8 (diff)
Merge branch 'linus' into x86/nmitip-x86-nmi-2008-06-16_09.20_Mon
Conflicts: arch/x86/kernel/nmi_32.c
Diffstat (limited to 'mm/mprotect.c')
-rw-r--r--mm/mprotect.c11
1 files changed, 10 insertions, 1 deletions
diff --git a/mm/mprotect.c b/mm/mprotect.c
index 4de546899dc1..a5bf31c27375 100644
--- a/mm/mprotect.c
+++ b/mm/mprotect.c
@@ -26,6 +26,13 @@
#include <asm/cacheflush.h>
#include <asm/tlbflush.h>
+#ifndef pgprot_modify
+static inline pgprot_t pgprot_modify(pgprot_t oldprot, pgprot_t newprot)
+{
+ return newprot;
+}
+#endif
+
static void change_pte_range(struct mm_struct *mm, pmd_t *pmd,
unsigned long addr, unsigned long end, pgprot_t newprot,
int dirty_accountable)
@@ -192,7 +199,9 @@ success:
* held in write mode.
*/
vma->vm_flags = newflags;
- vma->vm_page_prot = vm_get_page_prot(newflags);
+ vma->vm_page_prot = pgprot_modify(vma->vm_page_prot,
+ vm_get_page_prot(newflags));
+
if (vma_wants_writenotify(vma)) {
vma->vm_page_prot = vm_get_page_prot(newflags & ~VM_SHARED);
dirty_accountable = 1;