[SPARC32]: Revert f642b263800e6e57c377d630be6d2a999683b579.
This causes boot failures for some people.
It looks like in fact that some SILO provided
ramdisk images should not be KERNBASE normalized.
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/arch/sparc/mm/init.c b/arch/sparc/mm/init.c
index c13e6cd..a1bef07 100644
--- a/arch/sparc/mm/init.c
+++ b/arch/sparc/mm/init.c
@@ -206,7 +206,8 @@
#ifdef CONFIG_BLK_DEV_INITRD
/* Now have to check initial ramdisk, so that bootmap does not overwrite it */
if (sparc_ramdisk_image) {
- sparc_ramdisk_image -= KERNBASE;
+ if (sparc_ramdisk_image >= (unsigned long)&_end - 2 * PAGE_SIZE)
+ sparc_ramdisk_image -= KERNBASE;
initrd_start = sparc_ramdisk_image + phys_base;
initrd_end = initrd_start + sparc_ramdisk_size;
if (initrd_end > end_of_phys_memory) {
