linux-mm.kvack.org archive mirror
 help / color / mirror / Atom feed
From: Christoph Hellwig <hch@infradead.org>
To: Nick Piggin <npiggin@suse.de>
Cc: Christoph Hellwig <hch@infradead.org>,
	xfs@oss.sgi.com, linux-mm@kvack.org
Subject: Re: [patch 2/2] xfs: use scalable vmap API
Date: Mon, 25 Jan 2010 07:39:44 -0500	[thread overview]
Message-ID: <20100125123943.GA7394@infradead.org> (raw)
In-Reply-To: <20100125123746.GA24406@laptop>

On Mon, Jan 25, 2010 at 11:37:46PM +1100, Nick Piggin wrote:
> On Mon, Jan 25, 2010 at 07:33:09PM +1100, Nick Piggin wrote:
> > > Any easy way to get them?  Sorry, not uptodate on your new vmalloc
> > > implementation anymore.
> > 
> > Let me try writing a few (tested) patches here first that I can send you.
> 
> Well is it easy to reproduce the vmap failure? Here is a better tested
> patch if you can try it. It fixes a couple of bugs and does some purging
> of fragmented blocks.
> 
> If it does not help, can you tell me how many CPUs in your system?

The simplest one to reproduce it is a 1 cpu kvm virtual machine.  Will
give your patch a try ASAP - while it's easy to reproduce it takes some
time as I appears only when doing a second xfstests run after a first
finished fine, which makes it look like a leak to me.

--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@kvack.org.  For more info on Linux MM,
see: http://www.linux-mm.org/ .
Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>

  reply	other threads:[~2010-01-25 12:39 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20081021082542.GA6974@wotan.suse.de>
     [not found] ` <20081021082735.GB6974@wotan.suse.de>
     [not found]   ` <20081021120932.GB13348@infradead.org>
     [not found]     ` <20081022093018.GD4359@wotan.suse.de>
2010-01-19 12:15       ` [patch 2/2] xfs: use scalable vmap API Christoph Hellwig
2010-01-25  7:54         ` Nick Piggin
2010-01-25  8:17           ` Christoph Hellwig
2010-01-25  8:33             ` Nick Piggin
2010-01-25 12:37               ` Nick Piggin
2010-01-25 12:39                 ` Christoph Hellwig [this message]
2010-01-25 21:34                 ` Christoph Hellwig
2010-01-27  8:38                   ` Nick Piggin
2010-02-01 11:01                     ` Christoph Hellwig
2010-02-01 11:28                       ` Nick Piggin
2010-01-25  8:30           ` Nick Piggin

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20100125123943.GA7394@infradead.org \
    --to=hch@infradead.org \
    --cc=linux-mm@kvack.org \
    --cc=npiggin@suse.de \
    --cc=xfs@oss.sgi.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).