[ARM] 5402/1: fix a case of wrap-around in sanity_check_meminfo()

[~andy/linux] / arch / arm / mm / mmu.c

diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c
index 9b36c5cb5e9f68306c017cf63f94ab55ccc1ce3f..d4d082c5c2d4ad2be9f1eb331cce837fff3de325 100644 (file)
--- a/arch/arm/mm/mmu.c
+++ b/arch/arm/mm/mmu.c
@@ -693,7 +693,8 @@ static void __init sanity_check_meminfo(void)
                 * Check whether this memory bank would entirely overlap
                 * the vmalloc area.
                 */
-               if (__va(bank->start) >= VMALLOC_MIN) {
+               if (__va(bank->start) >= VMALLOC_MIN ||
+                   __va(bank->start) < PAGE_OFFSET) {
                        printk(KERN_NOTICE "Ignoring RAM at %.8lx-%.8lx "
                               "(vmalloc region overlap).\n",
                               bank->start, bank->start + bank->size - 1);