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virt_to_page does not care about the bits below the page granuality. So don't mask them. Signed-off-by: Andi Kleen <ak@suse.de> --- arch/x86/mm/pageattr_64.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) Index: linux/arch/x86/mm/pageattr_64.c =================================================================== --- linux.orig/arch/x86/mm/pageattr_64.c +++ linux/arch/x86/mm/pageattr_64.c @@ -204,7 +204,7 @@ __change_page_attr(unsigned long address kpte = lookup_address(address, &level); if (!kpte) return 0; - kpte_page = virt_to_page(((unsigned long)kpte) & PAGE_MASK); + kpte_page = virt_to_page(kpte); BUG_ON(PageCompound(kpte_page)); BUG_ON(PageLRU(kpte_page)); | ||||||||||||
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