linux-kernel - Re: [PATCH v2 2/2] x86, range: Do not add new blank slot with add_range_with

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Message-ID: <CAKL7Q7qUwTGexhr+8d88qN94YSCfSeOS-oLMh=KQ2NiOZRLbLQ@mail.gmail.com>
Date:	Tue, 11 Jun 2013 12:04:26 +0200
From:	"Joshua C." <joshuacov@...il.com>
To:	Yinghai Lu <yinghai@...nel.org>
Cc:	Sergey Meirovich <rathamahata@...il.com>,
	"H. Peter Anvin" <hpa@...or.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...e.hu>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 2/2] x86, range: Do not add new blank slot with add_range_with_merge

2013/6/11 Joshua C. <joshuacov@...il.com>:
> 2013/6/10 Yinghai Lu <yinghai@...nel.org>:
>> On Mon, Jun 10, 2013 at 3:55 AM, Sergey Meirovich <rathamahata@...il.com> wrote:
>>
>>> patches 1,2(latest one) have not helped me on 3.9.5:
>>
>> So v1:
>> https://patchwork.kernel.org/patch/2694981/
>> https://patchwork.kernel.org/patch/2694971/
>>
>> and v2:
>> https://patchwork.kernel.org/patch/2695891/
>> https://patchwork.kernel.org/patch/2695881/
>>
>> Neither of two versions fix the problem on your setup?
>>
>> Can you post boot log with mtrr_cleanup_debug on 3.9.4?
>>
>> Thanks
>>
>> Yinghai
>
> I got some warnings when trying to build v2 of the patches:
>
> # make -s ARCH=x86_64 V=1 -j4 bzImage
> kernel/range.c: In function 'add_range_with_merge':
> kernel/range.c:51:3: error: implicit declaration of function 'memmove'
> [-Werror=implicit-function-declaration]
> kernel/range.c:51:3: warning: incompatible implicit declaration of
> built-in function 'memmove' [enabled by default]
> cc1: some warnings being treated as errors
> scripts/Makefile.build:307: recipe for target 'kernel/range.o' failed
> make[1]: *** [kernel/range.o] Error 1
> Makefile:793: recipe for target 'kernel' failed
> make: *** [kernel] Error 2
> make: *** Waiting for unfinished jobs....
>
>
> --
> --joshua

A trivial fix for the above warnings:

--- linux-2.6.orig/kernel/range.c
+++ linux-2.6/kernel/range.c
@@ -4,6 +4,7 @@
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/sort.h>
+#include <linux/string.h>

 #include <linux/range.h>



--
--joshua
--
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