linux-kernel - Re: [PATCH 2/4] [-mm patch] Add nodemask_t's size and NR_FREE_PAGES's value to vmcoreinfo

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Date:	Thu, 20 Sep 2007 14:16:35 +0900
From:	"Ken'ichi Ohmichi" <oomichi@....nes.nec.co.jp>
To:	David Rientjes <rientjes@...gle.com>
CC:	Andrew Morton <akpm@...ux-foundation.org>,
	Adrian Bunk <bunk@...nel.org>,
	kexec-ml <kexec@...ts.infradead.org>,
	lkml <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 2/4] [-mm patch]  Add nodemask_t's size and NR_FREE_PAGES's
 value to vmcoreinfo_data.


Hi David,

David Rientjes wrote:
> On Fri, 14 Sep 2007, Ken'ichi Ohmichi wrote:
>
>> diff -rpuN a/include/linux/kexec.h b/include/linux/kexec.h
>> --- a/include/linux/kexec.h    2007-09-10 23:28:42.000000000 +0900
>> +++ b/include/linux/kexec.h    2007-09-10 23:29:52.000000000 +0900
>> @@ -132,11 +132,16 @@ unsigned long paddr_vmcoreinfo_note(void
>>  #define SIZE(name) \
>>      vmcoreinfo_append_str("SIZE(%s)=%lu\n", #name, \
>>                    (unsigned long)sizeof(struct name))
>> +#define TYPEDEF_SIZE(name) \
>> +    vmcoreinfo_append_str("SIZE(%s)=%lu\n", #name, \
>> +                  (unsigned long)sizeof(name))
>>   #define OFFSET(name, field) \
>>      vmcoreinfo_append_str("OFFSET(%s.%s)=%lu\n", #name, #field, \
>>                    (unsigned long)&(((struct name *)0)->field))
>>  #define LENGTH(name, value) \
>>      vmcoreinfo_append_str("LENGTH(%s)=%lu\n", #name, (unsigned long)value)
>> +#define NUMBER(name) \
>> +    vmcoreinfo_append_str("NUMBER(%s)=%ld\n", #name, (long)name)
>>  #define CONFIG(name) \
>>      vmcoreinfo_append_str("CONFIG_%s=y\n", #name)
>>
>
> The #define SIZE() should be renamed STRUCT_SIZE() since it's always returning the size of the struct with a given name.  This would allow TYPEDEF_SIZE() to simply become SIZE() since it need not be used exclusively for typedefs.

Thank you for the comment.
That sounds good, I'll post a new patch including it.


Thanks
Ken'ichi Ohmichi
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