X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=mm%2Fmsync.c;h=d0f5a1bce7cb14ecd7b74b960e87c8b079024020;hb=d44ed4f86892e350f4b16a3489b7e7c1a9bb7ead;hp=090f426bca7d538d5f84c9a8c53a677f50a31434;hpb=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2;p=linux-2.6

diff --git a/mm/msync.c b/mm/msync.c
index 090f426bca..d0f5a1bce7 100644
--- a/mm/msync.c
+++ b/mm/msync.c
@@ -34,6 +34,8 @@ static void sync_pte_range(struct vm_area_struct *vma, pmd_t *pmd,
 
 		if (!pte_present(*pte))
 			continue;
+		if (!pte_maybe_dirty(*pte))
+			continue;
 		pfn = pte_pfn(*pte);
 		if (!pfn_valid(pfn))
 			continue;