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From: Andi Kleen <ak@linux.intel.com>
To: Mel Gorman <mgorman@suse.de>
Cc: Dave Hansen <dave.hansen@intel.com>, Jan Kara <jack@suse.cz>,
	linux-mm@kvack.org,
	"Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>,
	linux-fsdevel@vger.kernel.org
Subject: Re: [PATCH 0/7 v1] Speed up page cache truncation
Date: Wed, 11 Oct 2017 11:37:41 -0700	[thread overview]
Message-ID: <20171011183741.GH5109@tassilo.jf.intel.com> (raw)
In-Reply-To: <20171011175945.nmlkso3fi6kqmhnu@suse.de>

> Profiles appear to disagree but regardless of the explanation, the fact
> is that the series improves truncation quite a bit on my tests. From three
> separate machines running bonnie, I see the following gains.

The batching patches are a good idea in any case. I was just wondering if we could
get rid of the original 10% too. But it's not critical.

-Andi

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  reply	other threads:[~2017-10-11 18:37 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-10-10 15:19 Jan Kara
2017-10-10 15:19 ` Jan Kara
2017-10-10 15:19 ` [PATCH 1/7] mm: Speedup cancel_dirty_page() for clean pages Jan Kara
2017-10-10 15:19   ` Jan Kara
2017-10-10 15:19 ` [PATCH 2/7] mm: Refactor truncate_complete_page() Jan Kara
2017-10-10 15:19   ` Jan Kara
2017-10-10 15:19 ` [PATCH 3/7] mm: Factor out page cache page freeing into a separate function Jan Kara
2017-10-10 15:19   ` Jan Kara
2017-10-10 15:19 ` [PATCH 4/7] mm: Move accounting updates before page_cache_tree_delete() Jan Kara
2017-10-10 15:19   ` Jan Kara
2017-10-10 15:19 ` [PATCH 5/7] mm: Move clearing of page->mapping to page_cache_tree_delete() Jan Kara
2017-10-10 15:19   ` Jan Kara
2017-10-10 15:19 ` [PATCH 6/7] mm: Factor out checks and accounting from __delete_from_page_cache() Jan Kara
2017-10-10 15:19   ` Jan Kara
2017-10-10 15:19 ` [PATCH 7/7] mm: Batch radix tree operations when truncating pages Jan Kara
2017-10-10 15:19   ` Jan Kara
2017-10-11  7:39   ` Mel Gorman
2017-10-17 23:05   ` Andrew Morton
2017-10-17 23:05     ` Andrew Morton
2017-10-18 10:44     ` Jan Kara
2017-10-10 17:25 ` [PATCH 0/7 v1] Speed up page cache truncation Andi Kleen
2017-10-10 17:25   ` Andi Kleen
2017-10-11  8:06   ` Jan Kara
2017-10-11 16:51     ` Andi Kleen
2017-10-11 17:34     ` Dave Hansen
2017-10-11 17:59       ` Mel Gorman
2017-10-11 18:37         ` Andi Kleen [this message]
2017-10-11 21:06       ` Jan Kara
2017-10-11 21:24         ` Dave Chinner
2017-10-12  9:09           ` Mel Gorman
2017-10-12 14:07           ` Jan Kara

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