diff options
author | Thomas Gleixner <tglx@linutronix.de> | 2008-05-17 17:12:24 +0200 |
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committer | Thomas Gleixner <tglx@linutronix.de> | 2008-05-17 17:12:24 +0200 |
commit | 538f0fd0f210c2ce5c585799f18d0e5c7cf6155e (patch) | |
tree | e9fa2b10ce5d92ac6bcd8ac55af1cd97bda3ec5d /mm/mprotect.c | |
parent | 3bb6fbf9969a8bbe4892968659239273d092e78a (diff) | |
parent | f26a3988917913b3d11b2bd741601a2c64ab9204 (diff) |
Merge branch 'linus' into x86/garttip-x86-gart-2008-05-17-15-12-25
Diffstat (limited to 'mm/mprotect.c')
-rw-r--r-- | mm/mprotect.c | 11 |
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; |