From: Mike Rapoport <rppt@kernel.org>
To: Matthew Wilcox <willy@infradead.org>
Cc: linux-mm@kvack.org, linux-fsdevel@vger.kernel.org,
Andrew Morton <akpm@linux-foundation.org>,
Hugh Dickins <hughd@google.com>,
Johannes Weiner <hannes@cmpxchg.org>,
Yang Shi <yang.shi@linux.alibaba.com>,
Dave Chinner <dchinner@redhat.com>,
linux-kernel@vger.kernel.org, Jan Kara <jack@suse.cz>,
William Kucharski <william.kucharski@oracle.com>
Subject: Re: [PATCH v3 01/12] mm: Make pagecache tagged lookups return only head pages
Date: Thu, 12 Nov 2020 21:11:05 +0200 [thread overview]
Message-ID: <20201112191105.GR4758@kernel.org> (raw)
In-Reply-To: <20201112174150.GC17076@casper.infradead.org>
On Thu, Nov 12, 2020 at 05:41:50PM +0000, Matthew Wilcox wrote:
> On Wed, Oct 28, 2020 at 09:50:56AM +0200, Mike Rapoport wrote:
> > > @@ -2074,8 +2074,8 @@ EXPORT_SYMBOL(find_get_pages_contig);
> > > * @nr_pages: the maximum number of pages
> > > * @pages: where the resulting pages are placed
> > > *
> > > - * Like find_get_pages, except we only return pages which are tagged with
> > > - * @tag. We update @index to index the next page for the traversal.
> > > + * Like find_get_pages(), except we only return head pages which are tagged
> > > + * with @tag. We update @index to index the next page for the traversal.
> >
> > Nit: ^ next head page
>
> I don't love the sentence anyway. How about:
>
> * Like find_get_pages(), except we only return head pages which are tagged
> * with @tag. @index is updated to the index immediately after the last
> * page we return, ready for the next iteration.
I like it.
--
Sincerely yours,
Mike.
next prev parent reply other threads:[~2020-11-12 19:11 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-26 4:13 [PATCH v3 00/12] Overhaul multi-page lookups for THP Matthew Wilcox (Oracle)
2020-10-26 4:13 ` [PATCH v3 01/12] mm: Make pagecache tagged lookups return only head pages Matthew Wilcox (Oracle)
2020-10-28 7:50 ` Mike Rapoport
2020-11-12 17:41 ` Matthew Wilcox
2020-11-12 19:11 ` Mike Rapoport [this message]
2020-10-26 4:13 ` [PATCH v3 02/12] mm/shmem: Use pagevec_lookup in shmem_unlock_mapping Matthew Wilcox (Oracle)
2020-10-26 4:13 ` [PATCH v3 03/12] mm/filemap: Add helper for finding pages Matthew Wilcox (Oracle)
2020-10-27 18:56 ` Christoph Hellwig
2020-11-12 14:25 ` Matthew Wilcox
2020-10-26 4:14 ` [PATCH v3 04/12] mm/filemap: Add mapping_seek_hole_data Matthew Wilcox (Oracle)
2020-10-26 10:48 ` Jan Kara
2020-10-26 12:17 ` Matthew Wilcox
2020-10-26 14:49 ` Jan Kara
2020-10-27 18:58 ` Christoph Hellwig
2020-10-27 20:04 ` Matthew Wilcox
2020-10-28 6:40 ` Christoph Hellwig
2020-10-26 4:14 ` [PATCH v3 05/12] mm: Add and use find_lock_entries Matthew Wilcox (Oracle)
2020-10-26 4:14 ` [PATCH v3 06/12] mm: Add an 'end' parameter to find_get_entries Matthew Wilcox (Oracle)
2020-10-26 4:14 ` [PATCH v3 07/12] mm: Add an 'end' parameter to pagevec_lookup_entries Matthew Wilcox (Oracle)
2020-10-26 4:14 ` [PATCH v3 08/12] mm: Remove nr_entries parameter from pagevec_lookup_entries Matthew Wilcox (Oracle)
2020-10-26 4:14 ` [PATCH v3 09/12] mm: Pass pvec directly to find_get_entries Matthew Wilcox (Oracle)
2020-10-26 4:14 ` [PATCH v3 10/12] mm: Remove pagevec_lookup_entries Matthew Wilcox (Oracle)
2020-10-26 4:14 ` [PATCH v3 11/12] mm/truncate,shmem: Handle truncates that split THPs Matthew Wilcox (Oracle)
2020-10-26 11:05 ` Jan Kara
2020-10-26 4:14 ` [PATCH v3 12/12] mm/filemap: Return only head pages from find_get_entries Matthew Wilcox (Oracle)
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