From: Mel Gorman <mgorman@suse.de>
To: wenchaolinux@gmail.com
Cc: linux-mm@kvack.org, akpm@linux-foundation.org, hughd@google.com,
walken@google.com, viro@zeniv.linux.org.uk,
kirill.shutemov@linux.intel.com,
xiaoguangrong@linux.vnet.ibm.com, anthony@codemonkey.ws,
stefanha@gmail.com
Subject: Re: [RFC PATCH V1 0/6] mm: add a new option MREMAP_DUP to mmrep syscall
Date: Thu, 9 May 2013 15:13:29 +0100 [thread overview]
Message-ID: <20130509141329.GC11497@suse.de> (raw)
In-Reply-To: <1368093011-4867-1-git-send-email-wenchaolinux@gmail.com>
On Thu, May 09, 2013 at 05:50:05PM +0800, wenchaolinux@gmail.com wrote:
> From: Wenchao Xia <wenchaolinux@gmail.com>
>
> This serial try to enable mremap syscall to cow some private memory region,
> just like what fork() did. As a result, user space application would got a
> mirror of those region, and it can be used as a snapshot for further processing.
>
What not just fork()? Even if the application was threaded it should be
managable to handle fork just for processing the private memory region
in question. I'm having trouble figuring out what sort of application
would require an interface like this.
--
Mel Gorman
SUSE Labs
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next prev parent reply other threads:[~2013-05-09 14:13 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-05-09 9:50 [RFC PATCH V1 0/6] mm: add a new option MREMAP_DUP to mmrep syscall wenchaolinux
2013-05-09 9:50 ` [RFC PATCH V1 1/6] mm: add parameter remove_old in move_huge_pmd() wenchaolinux
2013-05-09 9:50 ` [RFC PATCH V1 2/6] mm : allow copy between different addresses for copy_one_pte() wenchaolinux
2013-05-09 9:50 ` [RFC PATCH V1 3/6] mm : export rss vec helper functions wenchaolinux
2013-05-09 9:50 ` [RFC PATCH V1 4/6] mm : export is_cow_mapping() wenchaolinux
2013-05-09 9:50 ` [RFC PATCH V1 5/6] mm : add parameter remove_old in move_page_tables wenchaolinux
2013-05-09 9:50 ` [RFC PATCH V1 6/6] mm : add new option MREMAP_DUP to mremap() syscall wenchaolinux
2013-05-09 14:13 ` Mel Gorman [this message]
2013-05-10 2:28 ` [RFC PATCH V1 0/6] mm: add a new option MREMAP_DUP to mmrep syscall wenchao
2013-05-10 5:11 ` Stefan Hajnoczi
2013-12-17 5:59 ` Xiao Guangrong
2013-12-30 20:23 ` Marcelo Tosatti
2013-12-31 12:06 ` Xiao Guangrong
2013-12-31 18:53 ` Marcelo Tosatti
2014-01-06 7:41 ` Xiao Guangrong
2013-05-10 9:22 ` Kirill A. Shutemov
2013-05-11 14:16 ` Pavel Emelyanov
2013-05-13 2:40 ` wenchao
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