From: Michal Simek <monstr@monstr.eu>
Date: Mon, 7 Jun 2010 13:17:55 +0000 (+0200)
Subject: microblaze: Define ARCH_SLAB_MINALIGN to fix slab crash
X-Git-Tag: cont_sys_log_2~6^2~1
X-Git-Url: http://ftp.safe.ca/?p=safe%2Fjmp%2Flinux-2.6;a=commitdiff_plain;h=ffe57d02b23ebc5422cf81566b3ce566d68a3e22

microblaze: Define ARCH_SLAB_MINALIGN to fix slab crash

The commit "mm: Move ARCH_SLAB_MINALIGN and
ARCH_KMALLOC_MINALIGN to <linux/slab_def.h>"
1f0ce8b3dd667dca7 which moved the ARCH_SLAB_MINALIGN
default into the global header broke FLAT for Microblaze.

Error message:
slab error in verify_redzone_free(): cache `idr_layer_cache':
memory outside object was overwritten

Signed-off-by: Michal Simek <monstr@monstr.eu>
---

diff --git a/arch/microblaze/include/asm/page.h b/arch/microblaze/include/asm/page.h
index de493f8..464ff32 100644
--- a/arch/microblaze/include/asm/page.h
+++ b/arch/microblaze/include/asm/page.h
@@ -34,6 +34,8 @@
 /* MS be sure that SLAB allocates aligned objects */
 #define ARCH_KMALLOC_MINALIGN	L1_CACHE_BYTES
 
+#define ARCH_SLAB_MINALIGN	L1_CACHE_BYTES
+
 #define PAGE_UP(addr)	(((addr)+((PAGE_SIZE)-1))&(~((PAGE_SIZE)-1)))
 #define PAGE_DOWN(addr)	((addr)&(~((PAGE_SIZE)-1)))