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Date: Sat, 29 Sep 2012 10:54:21 +0800 From: Zhenzhong Duan <zhenzhong.duan@...cle.com> To: Paul Bolle <pebolle@...cali.nl> CC: "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, linux-mm@...ck.org, Dan Magenheimer <dan.magenheimer@...cle.com>, Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>, levinsasha928@...il.com, Feng Jin <joe.jin@...cle.com>, dan.carpenter@...cle.com Subject: Re: [PATCH -v2] mm: frontswap: fix a wrong if condition in frontswap_shrink On 2012-09-28 22:54, Paul Bolle wrote: > On Fri, 2012-09-28 at 11:43 +0800, Zhenzhong Duan wrote: >> On 2012-09-27 19:35, Paul Bolle wrote: >>> I think setting pages_to_unuse to zero here is not needed. It is >>> initiated to zero in frontswap_shrink() and hasn't been touched since. >>> See my patch at https://lkml.org/lkml/2012/9/27/250. >> Yes, it's unneeded. But I didn't see warning as you said in above link >> when run 'make V=1 mm/frontswap.o'. > Not even before applying your patch? Anyhow, after applying your patch > the warnings gone here too. I tested both cases, no warning, also didn't see -Wmaybe-uninitialized when make. My env is el5. gcc version 4.1.2 20080704 (Red Hat 4.1.2-52) Maybe your gcc built in/implicit spec use that option? thanks zduan -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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