linux-kernel - Re: [PATCH] /fs/proc/meminfo.c: fix compilation error

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Date:	Thu, 17 Nov 2011 09:43:37 +0100
From:	Claudio Scordino <claudio@...dence.eu.com>
To:	David Rientjes <rientjes@...gle.com>
CC:	Andrew Morton <akpm@...ux-foundation.org>, viro@...iv.linux.org.uk,
	Linux Kernel <linux-kernel@...r.kernel.org>,
	linux-fsdevel@...r.kernel.org
Subject: Re: [PATCH] /fs/proc/meminfo.c: fix compilation error

Il 17/11/2011 06:06, David Rientjes ha scritto:
> On Thu, 3 Nov 2011, Claudio Scordino wrote:
> 
>> diff --git a/fs/proc/meminfo.c b/fs/proc/meminfo.c
>> index 5861741..80e4645 100644
>> --- a/fs/proc/meminfo.c
>> +++ b/fs/proc/meminfo.c
>> @@ -131,12 +131,13 @@ static int meminfo_proc_show(struct seq_file *m, void *v)
>>   		K(i.freeswap),
>>   		K(global_page_state(NR_FILE_DIRTY)),
>>   		K(global_page_state(NR_WRITEBACK)),
>> -		K(global_page_state(NR_ANON_PAGES)
>>   #ifdef CONFIG_TRANSPARENT_HUGEPAGE
>> +		K(global_page_state(NR_ANON_PAGES)
>>   		  + global_page_state(NR_ANON_TRANSPARENT_HUGEPAGES) *
>> -		  HPAGE_PMD_NR
>> +		  HPAGE_PMD_NR),
>> +#else
>> +		K(global_page_state(NR_ANON_PAGES)),
>>   #endif
>> -		  ),
>>   		K(global_page_state(NR_FILE_MAPPED)),
>>   		K(global_page_state(NR_SHMEM)),
>>   		K(global_page_state(NR_SLAB_RECLAIMABLE) +
> 
> Looks like this needs to be fixed for the per-node sysfs meminfo files as
> well?  See node_read_meminfo() in drivers/base/node.c.

Hi David,

	that file cannot be compiled for the cris architecture
(therefore, with the compiler that gave me the error) because
CONFIG_NUMA cannot be defined for the cris architecture.

However, I forced make to build also that file, and actually I got the
same error (i.e., "directives may not be used inside a macro argument").

Since Andrew already took the patch for the meminfo.c file, I'm going to
send a further patch for this specific file.

Let me know if instead you prefer to have a single patch for both files.

Best regards,

	Claudio
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