From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dan Smith Subject: Re: [PATCH] c/r: Un-blacklist VM_NORESERVE and VM_LOCKED Date: Fri, 18 Jun 2010 19:49:04 -0700 Message-ID: <874ogzn3dr.fsf@caffeine.danplanet.com> References: <1276808838.6401.6.camel@localhost> <1276897775-4911-1-git-send-email-orenl@cs.columbia.edu> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1276897775-4911-1-git-send-email-orenl-eQaUEPhvms7ENvBUuze7eA@public.gmane.org> (Oren Laadan's message of "Fri\, 18 Jun 2010 17\:49\:35 -0400") List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: containers-bounces-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org Errors-To: containers-bounces-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org To: Oren Laadan Cc: containers-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org, Nathan Lynch List-Id: containers.vger.kernel.org OL> Add support for VM_NORESERVE and VM_LOCKED and remove them from OL> the blacklist of vm flags. OL> VM_NORESERVE: a vma with VM_NORESERVE may segv on a write under OL> low-memory, but reading it (as we do during checkpoint) is fine. OL> VM_LOCKED: this flag is now explicitly restored for a vma that had OL> this flag, using sys_mlock() OL> Original patch and reports by Nathan Lynch and Dan Smith. OL> Signed-off-by: Oren Laadan Tested-by: Dan Smith Thanks :) -- Dan Smith IBM Linux Technology Center email: danms-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org