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 [thread overview] 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
WARNING: multiple messages have this Message-ID (diff)
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 [thread overview] 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 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>
next prev parent reply other threads:[~2017-10-19 4:30 UTC|newest] Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top [not found] <CGME20171018104832epcms5p1b2232e2236258de3d03d1344dde9fce0@epcms5p1> 2017-10-18 10:48 ` [PATCH] zswap: Same-filled pages handling Srividya Desireddy 2017-10-18 10:48 ` Srividya Desireddy 2017-10-18 12:34 ` Matthew Wilcox 2017-10-18 12:34 ` Matthew Wilcox 2017-10-18 13:33 ` Timofey Titovets 2017-10-18 13:33 ` Timofey Titovets 2017-10-18 14:11 ` Matthew Wilcox 2017-10-18 14:11 ` Matthew Wilcox 2017-10-18 20:43 ` Andi Kleen 2017-10-18 20:43 ` Andi Kleen 2017-10-19 1:10 ` Matthew Wilcox 2017-10-19 1:10 ` Matthew Wilcox 2017-10-19 4:30 ` Andi Kleen [this message] 2017-10-19 4:30 ` Andi Kleen 2017-10-19 13:24 ` Matthew Wilcox 2017-10-19 13:24 ` Matthew Wilcox 2017-10-18 21:31 ` Timofey Titovets 2017-10-18 21:31 ` Timofey Titovets 2017-10-19 1:08 ` Matthew Wilcox 2017-10-19 1:08 ` Matthew Wilcox [not found] ` <CGME20171018104832epcms5p1b2232e2236258de3d03d1344dde9fce0@epcms5p3> 2017-11-02 15:08 ` Srividya Desireddy 2017-11-02 15:08 ` Srividya Desireddy 2017-11-17 22:10 ` Dan Streetman 2017-11-17 22:10 ` Dan Streetman 2017-11-17 22:07 ` Dan Streetman 2017-11-17 22:07 ` Dan Streetman 2017-11-17 21:27 ` Dan Streetman 2017-11-17 21:27 ` Dan Streetman 2017-11-20 23:46 ` Andrew Morton 2017-11-20 23:46 ` Andrew Morton 2017-11-28 11:35 ` Dan Streetman 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 15:34 ` Srividya Desireddy 2017-11-29 21:29 ` Dan Streetman 2017-11-29 21:29 ` Dan Streetman 2017-12-06 11:48 ` [PATCH v2] " Srividya Desireddy 2017-12-06 11:48 ` Srividya Desireddy 2017-12-06 15:20 ` Dan Streetman 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 2017-11-21 14:18 ` Srividya Desireddy 2017-10-18 14:43 ` [PATCH] " Srividya Desireddy 2017-10-18 14:43 ` Srividya Desireddy
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