From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 4901 invoked by alias); 11 Oct 2011 09:13:41 -0000 Received: (qmail 4883 invoked by uid 9737); 11 Oct 2011 09:13:40 -0000 Date: Tue, 11 Oct 2011 09:13:00 -0000 Message-ID: <20111011091340.4881.qmail@sourceware.org> From: zkabelac@sourceware.org To: lvm-devel@redhat.com, lvm2-cvs@sourceware.org Subject: LVM2 doc/example.conf.in lib/config/defaults.h Mailing-List: contact lvm2-cvs-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Post: List-Help: , Sender: lvm2-cvs-owner@sourceware.org X-SW-Source: 2011-10/txt/msg00034.txt.bz2 CVSROOT: /cvs/lvm2 Module name: LVM2 Changes by: zkabelac@sourceware.org 2011-10-11 09:13:39 Modified files: doc : example.conf.in lib/config : defaults.h Log message: Reduce preallocated stack size Go with just 64KiB for stack. Closer inspection should be made, whether we actually need to play with settings at all. Since default stack size is 8MB and gets mapped via page locking thus, it seems there is no big help with preallocation of stack to some value. Patches: http://sourceware.org/cgi-bin/cvsweb.cgi/LVM2/doc/example.conf.in.diff?cvsroot=lvm2&r1=1.33&r2=1.34 http://sourceware.org/cgi-bin/cvsweb.cgi/LVM2/lib/config/defaults.h.diff?cvsroot=lvm2&r1=1.84&r2=1.85 --- LVM2/doc/example.conf.in 2011/10/04 20:49:24 1.33 +++ LVM2/doc/example.conf.in 2011/10/11 09:13:39 1.34 @@ -481,7 +481,8 @@ missing_stripe_filler = "error" # How much stack (in KB) to reserve for use while devices suspended - reserved_stack = 256 + # Prior to version 2.02.89 this used to be set to 256KB + reserved_stack = 64 # How much memory (in KB) to reserve for use while devices suspended reserved_memory = 8192 --- LVM2/lib/config/defaults.h 2011/09/22 17:39:57 1.84 +++ LVM2/lib/config/defaults.h 2011/10/11 09:13:39 1.85 @@ -116,7 +116,7 @@ #ifdef DEVMAPPER_SUPPORT # define DEFAULT_ACTIVATION 1 # define DEFAULT_RESERVED_MEMORY 8192 -# define DEFAULT_RESERVED_STACK 256 +# define DEFAULT_RESERVED_STACK 64 /* KB */ # define DEFAULT_PROCESS_PRIORITY -18 #else # define DEFAULT_ACTIVATION 0