From: Johannes Weiner <hannes@cmpxchg.org>
To: "Matthew Wilcox (Oracle)" <willy@infradead.org>
Cc: linux-mm@kvack.org, Andrew Morton <akpm@linux-foundation.org>,
Hugh Dickins <hughd@google.com>,
William Kucharski <william.kucharski@oracle.com>,
Jani Nikula <jani.nikula@linux.intel.com>,
Alexey Dobriyan <adobriyan@gmail.com>,
Chris Wilson <chris@chris-wilson.co.uk>,
Matthew Auld <matthew.auld@intel.com>,
Huang Ying <ying.huang@intel.com>,
intel-gfx@lists.freedesktop.org, cgroups@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 3/8] mm: Optimise madvise WILLNEED
Date: Wed, 26 Aug 2020 10:23:15 -0400 [thread overview]
Message-ID: <20200826142315.GB988805@cmpxchg.org> (raw)
In-Reply-To: <20200819184850.24779-4-willy@infradead.org>
On Wed, Aug 19, 2020 at 07:48:45PM +0100, Matthew Wilcox (Oracle) wrote:
> Instead of calling find_get_entry() for every page index, use an XArray
> iterator to skip over NULL entries, and avoid calling get_page(),
> because we only want the swap entries.
>
> Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
next prev parent reply other threads:[~2020-08-26 14:25 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-08-19 18:48 [PATCH 0/8] Return head pages from find_get_entry and find_lock_entry Matthew Wilcox (Oracle)
2020-08-19 18:48 ` [PATCH 1/8] mm: Factor find_get_swap_page out of mincore_page Matthew Wilcox (Oracle)
2020-08-19 19:21 ` Matthew Wilcox
2020-08-19 18:48 ` [PATCH 2/8] mm: Use find_get_swap_page in memcontrol Matthew Wilcox (Oracle)
2020-08-26 14:20 ` Johannes Weiner
2020-08-26 14:54 ` Matthew Wilcox
2020-08-26 16:26 ` Johannes Weiner
2020-08-27 12:59 ` Matthew Wilcox
2020-08-27 14:22 ` Johannes Weiner
2020-08-19 18:48 ` [PATCH 3/8] mm: Optimise madvise WILLNEED Matthew Wilcox (Oracle)
2020-08-26 14:23 ` Johannes Weiner [this message]
2020-08-19 18:48 ` [PATCH 4/8] proc: Optimise smaps for shmem entries Matthew Wilcox (Oracle)
2020-08-26 14:24 ` Johannes Weiner
2020-08-19 18:48 ` [PATCH 5/8] i915: Use find_lock_page instead of find_lock_entry Matthew Wilcox (Oracle)
2020-08-26 14:27 ` Johannes Weiner
2020-08-19 18:48 ` [PATCH 6/8] mm: Convert find_get_entry to return the head page Matthew Wilcox (Oracle)
2020-08-26 15:09 ` Johannes Weiner
2020-08-26 15:48 ` Matthew Wilcox
2020-08-19 18:48 ` [PATCH 7/8] mm: Return head page from find_lock_entry Matthew Wilcox (Oracle)
2020-08-19 18:48 ` [PATCH 8/8] mm: Hoist find_subpage call further up in pagecache_get_page Matthew Wilcox (Oracle)
2020-08-21 17:37 ` [PATCH 0/8] Return head pages from find_get_entry and find_lock_entry William Kucharski
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