From: Andi Kleen <ak@linux.intel.com>
To: Matthew Wilcox <willy@infradead.org>
Cc: Srividya Desireddy <srividya.dr@samsung.com>,
"sjenning@redhat.com" <sjenning@redhat.com>,
"ddstreet@ieee.org" <ddstreet@ieee.org>,
"linux-mm@kvack.org" <linux-mm@kvack.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"penberg@kernel.org" <penberg@kernel.org>,
Dinakar Reddy Pathireddy <dinakar.p@samsung.com>,
SHARAN ALLUR <sharan.allur@samsung.com>,
RAJIB BASU <rajib.basu@samsung.com>,
JUHUN KIM <juhunkim@samsung.com>,
"srividya.desireddy@gmail.com" <srividya.desireddy@gmail.com>
Subject: Re: [PATCH] zswap: Same-filled pages handling
Date: Wed, 18 Oct 2017 21:30:32 -0700
Message-ID: <20171019043032.GY5109@tassilo.jf.intel.com> (raw)
In-Reply-To: <20171019011056.GB17308@bombadil.infradead.org>
> Yes. Every 64-bit repeating pattern is also a 32-bit repeating pattern.
> Supporting a 64-bit pattern on a 32-bit kernel is painful, but it makes
> no sense to *not* support a 64-bit pattern on a 64-bit kernel.
But a 32bit repeating pattern is not necessarily a 64bit pattern.
>This is the same approach used in zram, fwiw.
Sounds bogus.
-Andi
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next prev parent reply index
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CGME20171018104832epcms5p1b2232e2236258de3d03d1344dde9fce0@epcms5p1>
2017-10-18 10:48 ` Srividya Desireddy
2017-10-18 12:34 ` Matthew Wilcox
2017-10-18 13:33 ` Timofey Titovets
2017-10-18 14:11 ` Matthew Wilcox
2017-10-18 20:43 ` Andi Kleen
2017-10-19 1:10 ` Matthew Wilcox
2017-10-19 4:30 ` Andi Kleen [this message]
2017-10-19 13:24 ` Matthew Wilcox
2017-10-18 21:31 ` Timofey Titovets
2017-10-19 1:08 ` Matthew Wilcox
[not found] ` <CGME20171018104832epcms5p1b2232e2236258de3d03d1344dde9fce0@epcms5p3>
2017-11-02 15:08 ` Srividya Desireddy
2017-11-17 22:10 ` Dan Streetman
2017-11-17 22:07 ` Dan Streetman
2017-11-17 21:27 ` Dan Streetman
2017-11-20 23:46 ` Andrew Morton
2017-11-28 11:35 ` Dan Streetman
[not found] ` <CGME20171018104832epcms5p1b2232e2236258de3d03d1344dde9fce0@epcms5p6>
2017-11-29 15:34 ` [PATCH] zswap: Update with same-value filled page feature Srividya Desireddy
2017-11-29 21:29 ` Dan Streetman
2017-12-06 11:48 ` [PATCH v2] " Srividya Desireddy
2017-12-06 15:20 ` Dan Streetman
[not found] ` <CGME20171018104832epcms5p1b2232e2236258de3d03d1344dde9fce0@epcms5p4>
2017-11-21 14:18 ` [PATCH v2] zswap: Same-filled pages handling Srividya Desireddy
2017-10-18 14:43 ` [PATCH] " Srividya Desireddy
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