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From: Greg KH <greg@kroah.com>
To: Seth Jennings <sjenning@linux.vnet.ibm.com>
Cc: gregkh@suse.de, devel@driverdev.osuosl.org,
	dan.magenheimer@oracle.com, cascardo@holoscopio.com,
	linux-kernel@vger.kernel.org, dave@linux.vnet.ibm.com,
	linux-mm@kvack.org, brking@linux.vnet.ibm.com,
	rcj@linux.vnet.ibm.com, ngupta@vflare.org
Subject: Re: [PATCH v2 0/3] staging: zcache: xcfmalloc support
Date: Fri, 9 Sep 2011 13:34:47 -0700	[thread overview]
Message-ID: <20110909203447.GB19127@kroah.com> (raw)
In-Reply-To: <1315404547-20075-1-git-send-email-sjenning@linux.vnet.ibm.com>

On Wed, Sep 07, 2011 at 09:09:04AM -0500, Seth Jennings wrote:
> Changelog:
> v2: fix bug in find_remove_block()
>     fix whitespace warning at EOF
> 
> This patchset introduces a new memory allocator for persistent
> pages for zcache.  The current allocator is xvmalloc.  xvmalloc
> has two notable limitations:
> * High (up to 50%) external fragmentation on allocation sets > PAGE_SIZE/2
> * No compaction support which reduces page reclaimation

I need some acks from other zcache developers before I can accept this.

{hint...}


WARNING: multiple messages have this Message-ID (diff)
From: Greg KH <greg@kroah.com>
To: Seth Jennings <sjenning@linux.vnet.ibm.com>
Cc: gregkh@suse.de, devel@driverdev.osuosl.org,
	dan.magenheimer@oracle.com, cascardo@holoscopio.com,
	linux-kernel@vger.kernel.org, dave@linux.vnet.ibm.com,
	linux-mm@kvack.org, brking@linux.vnet.ibm.com,
	rcj@linux.vnet.ibm.com, ngupta@vflare.org
Subject: Re: [PATCH v2 0/3] staging: zcache: xcfmalloc support
Date: Fri, 9 Sep 2011 13:34:47 -0700	[thread overview]
Message-ID: <20110909203447.GB19127@kroah.com> (raw)
In-Reply-To: <1315404547-20075-1-git-send-email-sjenning@linux.vnet.ibm.com>

On Wed, Sep 07, 2011 at 09:09:04AM -0500, Seth Jennings wrote:
> Changelog:
> v2: fix bug in find_remove_block()
>     fix whitespace warning at EOF
> 
> This patchset introduces a new memory allocator for persistent
> pages for zcache.  The current allocator is xvmalloc.  xvmalloc
> has two notable limitations:
> * High (up to 50%) external fragmentation on allocation sets > PAGE_SIZE/2
> * No compaction support which reduces page reclaimation

I need some acks from other zcache developers before I can accept this.

{hint...}

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  parent reply	other threads:[~2011-09-09 20:47 UTC|newest]

Thread overview: 56+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-09-07 14:09 [PATCH v2 0/3] staging: zcache: xcfmalloc support Seth Jennings
2011-09-07 14:09 ` Seth Jennings
2011-09-07 14:09 ` [PATCH v2 1/3] staging: zcache: xcfmalloc memory allocator for zcache Seth Jennings
2011-09-07 14:09   ` Seth Jennings
2011-09-07 14:09 ` [PATCH v2 2/3] staging: zcache: replace xvmalloc with xcfmalloc Seth Jennings
2011-09-07 14:09   ` Seth Jennings
2011-09-07 14:09 ` [PATCH v2 3/3] staging: zcache: add zv_page_count and zv_desc_count Seth Jennings
2011-09-07 14:09   ` Seth Jennings
2011-09-09 20:34 ` Greg KH [this message]
2011-09-09 20:34   ` [PATCH v2 0/3] staging: zcache: xcfmalloc support Greg KH
2011-09-10  2:41   ` Nitin Gupta
2011-09-10  2:41     ` Nitin Gupta
2011-09-12 14:35     ` Seth Jennings
2011-09-12 14:35       ` Seth Jennings
2011-09-13  1:55       ` Nitin Gupta
2011-09-13  1:55         ` Nitin Gupta
2011-09-13 15:58         ` Seth Jennings
2011-09-13 15:58           ` Seth Jennings
2011-09-13 21:18           ` Nitin Gupta
2011-09-13 21:18             ` Nitin Gupta
2011-09-15 16:31             ` Seth Jennings
2011-09-15 16:31               ` Seth Jennings
2011-09-15 17:29               ` Dan Magenheimer
2011-09-15 17:29                 ` Dan Magenheimer
2011-09-15 19:24                 ` Seth Jennings
2011-09-15 19:24                   ` Seth Jennings
2011-09-15 20:07                   ` Dan Magenheimer
2011-09-15 20:07                     ` Dan Magenheimer
2011-10-03 15:59                     ` Dave Hansen
2011-10-03 15:59                       ` Dave Hansen
2011-10-03 17:54                       ` Nitin Gupta
2011-10-03 17:54                         ` Nitin Gupta
2011-10-03 18:22                         ` Dave Hansen
2011-10-03 18:22                           ` Dave Hansen
2011-10-05  1:03                           ` Dan Magenheimer
2011-10-05  1:03                             ` Dan Magenheimer
2011-09-15 22:17                   ` Dave Hansen
2011-09-15 22:17                     ` Dave Hansen
2011-09-15 22:27                     ` Dan Magenheimer
2011-09-15 22:27                       ` Dan Magenheimer
2011-09-16 17:36                     ` Nitin Gupta
2011-09-16 17:36                       ` Nitin Gupta
2011-09-16 17:52                   ` Nitin Gupta
2011-09-16 17:52                     ` Nitin Gupta
2011-09-16 17:46               ` Nitin Gupta
2011-09-16 17:46                 ` Nitin Gupta
2011-09-16 18:33                 ` Seth Jennings
2011-09-16 18:33                   ` Seth Jennings
2011-11-01 17:30                 ` Dave Hansen
2011-11-01 17:30                   ` Dave Hansen
2011-11-01 18:35                   ` Dan Magenheimer
2011-11-01 18:35                     ` Dan Magenheimer
2011-11-02  2:42                     ` Nitin Gupta
2011-11-02  2:42                       ` Nitin Gupta
2011-09-29 17:47 ` Seth Jennings
2011-09-29 17:47   ` Seth Jennings

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