diff --git a/lustre/kernel_patches/patches/8kstack-2.6.12.patch b/lustre/kernel_patches/patches/8kstack-2.6.12.patch
index f3a216040e8774c3fd65df1492ecf768db7e7d04..26b0f3f98b922ebeb2e2bc117b080cc7cc050311 100644
--- a/lustre/kernel_patches/patches/8kstack-2.6.12.patch
+++ b/lustre/kernel_patches/patches/8kstack-2.6.12.patch
@@ -1,3 +1,6 @@
+Increase the stack size to 8kB.  This is only required for i386 arch,
+because other kernels always have 8kB stack sizes.
+
 Index: linux-2.6.9-5.0.3.EL/include/asm-i386/thread_info.h
 ===================================================================
 --- linux-2.6.9-5.0.3.EL.orig/include/asm-i386/thread_info.h	2005-02-25 10:25:33.000000000 +0200