X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=arch%2Fx86%2Fmm%2Finit_64.c;h=44b93da18401495fa56b9a9a8ef0a247219ab205;hb=60cbc8c9108be5542b8b7b9e16231fdee062f6d9;hp=bbaaa005bf0e865a9c3fc84a7ff1ed9854b80888;hpb=655402d41742cc8e490f4357745408d361bdd2d4;p=kernel%2Flinux-3.0.git

diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c
index bbaaa00..44b93da 100644
--- a/arch/x86/mm/init_64.c
+++ b/arch/x86/mm/init_64.c
@@ -831,6 +831,9 @@ int kern_addr_valid(unsigned long addr)
 	if (pud_none(*pud))
 		return 0;
 
+	if (pud_large(*pud))
+		return pfn_valid(pud_pfn(*pud));
+
 	pmd = pmd_offset(pud, addr);
 	if (pmd_none(*pmd))
 		return 0;