From eafb42707b21beb42bba4eae7b742f837ee9d2e0 Mon Sep 17 00:00:00 2001
From: Christoph Lameter <clameter@engr.sgi.com>
Date: Thu, 22 Sep 2005 21:44:10 -0700
Subject: [PATCH] [PATCH] __kmalloc: Generate BUG if size requested is too
 large.

I had an issue on ia64 where I got a bug in kernel/workqueue because
kzalloc returned a NULL pointer due to the task structure getting too big
for the slab allocator.  Usually these cases are caught by the kmalloc
macro in include/linux/slab.h.

Compilation will fail if a too big value is passed to kmalloc.

However, kzalloc uses __kmalloc which has no check for that.  This patch
makes __kmalloc bug if a too large entity is requested.

Signed-off-by: Christoph Lameter <clameter@sgi.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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