From: Hugh Dickins <hughd@google.com>
To: "Huang, Ying" <ying.huang@linux.intel.com>
Cc: Hugh Dickins <hughd@google.com>,
Andrew Morton <akpm@linux-foundation.org>,
Josef Bacik <jbacik@fb.com>, Yu Zhao <yuzhao@google.com>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: [PATCH] tmpfs: avoid a little creat and stat slowdown
Date: Fri, 13 Nov 2015 16:51:40 -0800 (PST) [thread overview]
Message-ID: <alpine.LSU.2.11.1511131645300.1539@eggly.anvils> (raw)
In-Reply-To: <8737wafge7.fsf@yhuang-dev.intel.com>
On Fri, 13 Nov 2015, Huang, Ying wrote:
>
> c435a390574d is the direct parent of afa2db2fb6f1 in its original git.
> 43819159da2b is your patch applied on top of v4.3-rc7. The comparison
> of 43819159da2b with v4.3-rc7 is as follow:
...
> So you patch improved 11.9% from its base v4.3-rc7. I think other
> difference are caused by other changes. Sorry for confusing.
Thanks for getting back on this: that's rather what I was hoping to hear.
Of course, no user will care which commit is responsible for a slowdown,
and we may need to look further; but I couldn't make sense of it before,
so this was a relief.
Hugh
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prev parent reply other threads:[~2015-11-14 0:51 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-10-29 19:13 [PATCH] tmpfs: avoid a little creat and stat slowdown Hugh Dickins
2015-11-04 7:47 ` Huang, Ying
2015-11-09 0:15 ` Hugh Dickins
2015-11-13 8:33 ` Huang, Ying
2015-11-14 0:51 ` Hugh Dickins [this message]
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