linux-kernel - Re: [PATCH 3/3] Add MAP_HUGETLB example to vm/hugetlbpage.txt V2

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Message-ID: <4A84B3F0.80009@oracle.com>
Date:	Thu, 13 Aug 2009 17:46:40 -0700
From:	Randy Dunlap <randy.dunlap@...cle.com>
To:	David Rientjes <rientjes@...gle.com>
CC:	Eric B Munson <ebmunson@...ibm.com>, linux-kernel@...r.kernel.org,
	linux-mm@...ck.org, linux-man@...r.kernel.org,
	akpm@...ux-foundation.org, mtk.manpages@...il.com
Subject: Re: [PATCH 3/3] Add MAP_HUGETLB example to vm/hugetlbpage.txt V2

David Rientjes wrote:
> On Thu, 13 Aug 2009, Eric B Munson wrote:
> 
>> This patch adds an example of how to use the MAP_HUGETLB flag to
>> the vm documentation.
>>
>> Signed-off-by: Eric B Munson <ebmunson@...ibm.com>
>> ---
>> Changes from V1:
>>  Rebase to newest linux-2.6 tree
>>  Change MAP_LARGEPAGE to MAP_HUGETLB to match flag name in huge page shm
>>
>>  Documentation/vm/hugetlbpage.txt |   80 ++++++++++++++++++++++++++++++++++++++
>>  1 files changed, 80 insertions(+), 0 deletions(-)
>>
>> diff --git a/Documentation/vm/hugetlbpage.txt b/Documentation/vm/hugetlbpage.txt
>> index ea8714f..d30fa1a 100644
>> --- a/Documentation/vm/hugetlbpage.txt
>> +++ b/Documentation/vm/hugetlbpage.txt
>> @@ -337,3 +337,83 @@ int main(void)
>>  
>>  	return 0;
>>  }
>> +
>> +*******************************************************************
>> +
>> +/*
>> + * Example of using hugepage memory in a user application using the mmap
>> + * system call with MAP_LARGEPAGE flag.  Before running this program make
> 
> s/MAP_LARGEPAGE/MAP_HUGETLB/

I'm (slowly) making source code examples in Documentation/ buildable,
as this one should be, please.

I.e., put it in a separate source file (hugetlbpage.txt can refer to the
source file if you want it to) and add a Makefile similar to other
Makefiles in the Documentation/ tree.

~Randy
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