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Date: Fri, 6 Dec 2002 21:07:36 -0800 (PST)
From: "Randy.Dunlap" <rddunlap@osdl.org>
X-X-Sender: <rddunlap@dragon.pdx.osdl.net>
To: "Joseph D. Wagner" <wagnerjd@prodigy.net>
cc: "'Linux Kernel Development List'" <linux-kernel@vger.kernel.org>
Subject: Re: POSSIBLE BUG: Debugging Not Automatically Activated in Slab.c
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Message-ID: <Pine.LNX.4.33L2.0212062105520.27850-100000@dragon.pdx.osdl.net>
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On Fri, 6 Dec 2002, Joseph D. Wagner wrote:

| Before I submit this as an actually bug, I'd like the input of some people
| who know a little more about the Slab Allocator and Kernel Debugging.
|
| The Slab Allocator includes this line:
|
| #ifdef CONFIG_DEBUG_SLAB
|
| in slab.c (line 89) to activate debugging.
|
| However, I couldn't find anywhere in the code where CONFIG_DEBUG_SLAB is
| linked to CONFIG_DEBUG_KERNEL.  In other words, setting the kernel as a
| debug kernel doesn't automatically set the Slab Allocator to debug too.

CONFIG_DEBUG_SLAB is a separate option, listed under the
Kernel Hacking config menu (Debug memory allocations).

| 1) Am I missing something?
|
| 2) Is this intentional or by design?

Design.

| If this is an actually bug, it can be fixed by inserting the following code
| in slab.h immediately following the #include statements:
|
| #ifdef CONFIG_DEBUG_KERNEL
| #define CONFIG_DEBUG_SLAB
| #endif

Nope, just enable it.

-- 
~Randy

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