From owner-svn-src-all@freebsd.org Mon Jun 3 14:39:12 2019 Return-Path: Delivered-To: svn-src-all@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id F082915B2D12; Mon, 3 Jun 2019 14:39:11 +0000 (UTC) (envelope-from danfe@freebsd.org) Received: from freefall.freebsd.org (freefall.freebsd.org [96.47.72.132]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) server-signature RSA-PSS (4096 bits) client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "freefall.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 830A083539; Mon, 3 Jun 2019 14:39:11 +0000 (UTC) (envelope-from danfe@freebsd.org) Received: by freefall.freebsd.org (Postfix, from userid 1033) id 598EA19A36; Mon, 3 Jun 2019 14:39:11 +0000 (UTC) Date: Mon, 3 Jun 2019 14:39:11 +0000 From: Alexey Dokuchaev To: Konstantin Belousov Cc: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: Re: svn commit: r248514 - head/sys/vm Message-ID: <20190603143911.GA49021@FreeBSD.org> References: <201303191439.r2JEdRJB020366@svn.freebsd.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <201303191439.r2JEdRJB020366@svn.freebsd.org> User-Agent: Mutt/1.11.4 (2019-03-13) X-Rspamd-Queue-Id: 830A083539 X-Spamd-Bar: -- Authentication-Results: mx1.freebsd.org X-Spamd-Result: default: False [-2.89 / 15.00]; local_wl_from(0.00)[freebsd.org]; NEURAL_HAM_MEDIUM(-1.00)[-0.998,0]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; NEURAL_HAM_SHORT(-0.89)[-0.888,0]; ASN(0.00)[asn:11403, ipnet:96.47.64.0/20, country:US] X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 03 Jun 2019 14:39:12 -0000 On Tue, Mar 19, 2013 at 02:39:27PM +0000, Konstantin Belousov wrote: > New Revision: 248514 > URL: http://svnweb.freebsd.org/changeset/base/248514 > > Log: > Do not map the swap i/o pbufs if the geom provider for the swap > partition accepts unmapped requests. > > Modified: head/sys/vm/swap_pager.c > ... > @@ -2180,6 +2190,7 @@ swaponsomething(struct vnode *vp, void * > sp->sw_flags = 0; > sp->sw_nblks = nblks; > sp->sw_used = 0; > sp->sw_strategy = strategy; > sp->sw_close = close; > + sp->sw_flags = flags; PVS Studio complains here: /usr/src/sys/vm/swap_pager.c:2238:1: warning: V519 The 'sp->sw_flags' variable is assigned values twice successively. Perhaps this is a mistake. Check lines: 2233, 2238. Looks like "sp->sw_flags = 0" should've been removed, can you confirm? ./danfe