linux-kernel - Re: [Resend Patch] kexec: allow to shrink reserved memory

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Message-ID: <4B0B9B44.1010206@redhat.com>
Date:	Tue, 24 Nov 2009 16:37:24 +0800
From:	Cong Wang <amwang@...hat.com>
To:	Dan Carpenter <error27@...il.com>,
	Amerigo Wang <amwang@...hat.com>, linux-kernel@...r.kernel.org,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	akpm@...ux-foundation.org, Andi Kleen <andi@...stfloor.org>,
	Neil Horman <nhorman@...hat.com>
Subject: Re: [Resend Patch] kexec: allow to shrink reserved memory

Dan Carpenter wrote:
> On Mon, Nov 23, 2009 at 04:37:02AM -0500, Amerigo Wang wrote:
> [snip]
>> +size_t crash_get_memory_size(void);
> [snip]
>> +static ssize_t kexec_crash_size_show(struct kobject *kobj,
>> +				       struct kobj_attribute *attr, char *buf)
>> +{
>> +	return sprintf(buf, "%lu\n", crash_get_memory_size());
>> +}
> 
>   CC      kernel/ksysfs.o
> kernel/ksysfs.c: In function ‘kexec_crash_size_show’:
> kernel/ksysfs.c:106: warning: format ‘%lu’ expects type ‘long unsigned int’, but argument 3 has type ‘size_t’
> 
> Could we get suppress this gcc warning?

Oops! Try to replace '%lu' with '%zu'...

I didn't see this warning, will cook a delta patch.

Thanks!
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