x86: fix pagetable init 64-bit breakage

Fix _end alignment check - can trigger a crash if _end happens to be
on a page boundary.

Signed-off-by: Ingo Molnar <mingo@elte.hu>

diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c
index f54a4d97530f6c4dfa3e39ad3ebe28a57e13a367..6116ff0d74161cce2a10ddaa0248a57f651b8a53 100644 (file)
--- a/arch/x86/mm/init_64.c
+++ b/arch/x86/mm/init_64.c
@@ -510,7 +510,7 @@ static int is_kernel(unsigned long pfn)
        unsigned long pg_addresss = pfn << PAGE_SHIFT;
 
        if (pg_addresss >= (unsigned long) __pa(_text) &&
-           pg_addresss <= (unsigned long) __pa(_end))
+           pg_addresss < (unsigned long) __pa(_end))
                return 1;
 
        return 0;