From mboxrd@z Thu Jan 1 00:00:00 1970 From: Borislav Petkov Subject: Re: [PATCHv7] x86/kdump: bugfix, make the behavior of crashkernel=X consistent with kaslr Date: Mon, 25 Feb 2019 12:30:03 +0100 Message-ID: <20190225113003.GE26145@zn.tnic> References: <20190215102458.GD10433@zn.tnic> <20190218014820.GA10711@dhcp-128-65.nay.redhat.com> <20190220083241.GA3447@zn.tnic> <20190220094146.GA8597@dhcp-128-65.nay.redhat.com> <20190221171321.GD12997@zn.tnic> <20190222021101.GA11654@dhcp-128-65.nay.redhat.com> <20190222084241.GC8380@suse.de> <20190222130026.GA30766@zn.tnic> <20190225110043.GA5884@suse.de> <20190225111216.GA9276@dhcp-128-65.nay.redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Content-Disposition: inline In-Reply-To: <20190225111216.GA9276-0VdLhd/A9Pl+NNSt+8eSiB/sF2h8X+2i0E9HWUfgJXw@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "kexec" Errors-To: kexec-bounces+glkk-kexec=m.gmane.org-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org To: Dave Young Cc: Joerg Roedel , bhe-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org, konrad.wilk-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org, x86-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, kexec-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, Jerry Hoemann , Pingfan Liu , linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org, Mike Rapoport , Randy Dunlap , Andrew Morton , yinghai-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, vgoyal-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org List-Id: iommu@lists.linux-foundation.org On Mon, Feb 25, 2019 at 07:12:16PM +0800, Dave Young wrote: > If we move to high as default, it will allocate 160M high + 256M low. It We won't move to high by default - we will *fall* back to high if the default allocation fails. > To make the process less fragile maybe we can remove the 896M limitation > and only try <4G then go to high. Sure, the more robust for the user, the better. -- Regards/Gruss, Boris. Good mailing practices for 400: avoid top-posting and trim the reply.