From owner-svn-src-all@freebsd.org Fri Jan 18 13:43:12 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 777BE149E2AD; Fri, 18 Jan 2019 13:43:12 +0000 (UTC) (envelope-from kib@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (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 "mxrelay.nyi.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 1A73290470; Fri, 18 Jan 2019 13:43:12 +0000 (UTC) (envelope-from kib@FreeBSD.org) Received: from repo.freebsd.org (repo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 0F7712FEB; Fri, 18 Jan 2019 13:43:12 +0000 (UTC) (envelope-from kib@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id x0IDhB1A090774; Fri, 18 Jan 2019 13:43:11 GMT (envelope-from kib@FreeBSD.org) Received: (from kib@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id x0IDhBdp090773; Fri, 18 Jan 2019 13:43:11 GMT (envelope-from kib@FreeBSD.org) Message-Id: <201901181343.x0IDhBdp090773@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: kib set sender to kib@FreeBSD.org using -f From: Konstantin Belousov Date: Fri, 18 Jan 2019 13:43:11 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r343147 - head/sys/x86/x86 X-SVN-Group: head X-SVN-Commit-Author: kib X-SVN-Commit-Paths: head/sys/x86/x86 X-SVN-Commit-Revision: 343147 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: 1A73290470 X-Spamd-Bar: -- Authentication-Results: mx1.freebsd.org X-Spamd-Result: default: False [-2.96 / 15.00]; local_wl_from(0.00)[FreeBSD.org]; NEURAL_HAM_MEDIUM(-1.00)[-0.999,0]; NEURAL_HAM_SHORT(-0.96)[-0.964,0]; ASN(0.00)[asn:11403, ipnet:2610:1c1:1::/48, country:US]; NEURAL_HAM_LONG(-1.00)[-0.999,0] 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: Fri, 18 Jan 2019 13:43:12 -0000 Author: kib Date: Fri Jan 18 13:43:11 2019 New Revision: 343147 URL: https://svnweb.freebsd.org/changeset/base/343147 Log: i386/PAE busdma: allow more bounce pages. If i386 has more than 4G of memory, allow the same number of busdma bounce pages as for amd64. In fact, in this case bouncing sometimes is much heavier than on amd64. Reviewed by: markj Tested by: pho Sponsored by: The FreeBSD Foundation MFC after: 2 weeks Differential revision: https://reviews.freebsd.org/D18854 Modified: head/sys/x86/x86/busdma_bounce.c Modified: head/sys/x86/x86/busdma_bounce.c ============================================================================== --- head/sys/x86/x86/busdma_bounce.c Fri Jan 18 13:38:56 2019 (r343146) +++ head/sys/x86/x86/busdma_bounce.c Fri Jan 18 13:43:11 2019 (r343147) @@ -57,7 +57,7 @@ __FBSDID("$FreeBSD$"); #include #ifdef __i386__ -#define MAX_BPAGES 512 +#define MAX_BPAGES (Maxmem > atop(0x100000000ULL) ? 8192 : 512) #else #define MAX_BPAGES 8192 #endif