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BAYES_HAM(-3.00)[99.99%]; NEURAL_HAM_LONG(-1.00)[-1.000]; NEURAL_HAM_SHORT(-0.20)[-1.000]; MIME_GOOD(-0.10)[text/plain]; RCVD_VIA_SMTP_AUTH(0.00)[]; ARC_NA(0.00)[]; MIME_TRACE(0.00)[0:+]; MISSING_XM_UA(0.00)[]; RCPT_COUNT_TWELVE(0.00)[19]; RCVD_TLS_ALL(0.00)[]; DKIM_SIGNED(0.00)[suse.cz:s=susede2_rsa,suse.cz:s=susede2_ed25519]; FUZZY_BLOCKED(0.00)[rspamd.com]; FROM_HAS_DN(0.00)[]; TO_DN_SOME(0.00)[]; FROM_EQ_ENVFROM(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; RCVD_COUNT_TWO(0.00)[2]; DBL_BLOCKED_OPENRESOLVER(0.00)[suse.cz:email,imap1.dmz-prg2.suse.org:helo] X-Virus-Scanned: clamav-milter 1.0.3 at in-4.smtp.seeweb.it X-Virus-Status: Clean Subject: Re: [LTP] [linux-next:master] [mm/migrate] b28dd7507f: ltp.move_pages04.fail X-BeenThere: ltp@lists.linux.it X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux Test Project List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Alexander Gordeev , Christian Borntraeger , Ryan Roberts , lkp@intel.com, Vasily Gorbik , Jonathan Corbet , ltp@lists.linux.it, Matthew Wilcox , Linux Memory Management List , kernel test robot , Sven Schnelle , Zi Yan , oe-lkp@lists.linux.dev, Gerald Schaefer , Claudio Imbrenda , Andrew Morton , "Kirill A. Shutemov" , Janosch Frank Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: ltp-bounces+ltp=archiver.kernel.org@lists.linux.it Sender: "ltp" Hi! > > If we are going to stick to ENOENT for page that wasn't faulted in the > > kernel from now on we should stick to it in the test as well. > > Right, it will make kernels >= 4.3 fail, though, until this series is > upstream. I mean, it highlights a BUG, but we had a similar condition > with the zeropage and worked around it in the test to keep it passing. What we do in this case is that you are free to send a patch, we will do review but the final merge will happen once the code has been released in the upstream kernel. > > Also I think there is a third case that we do not cover either, what > > happens when we pass an address that is not mapped at all, e.g. NULL? Do > > we get EFAULT as well? > > Yes, that's documented as EFAULT and should behave that way. I can > extend the test to handle that as well. Ideally the test should be ported to the new test API as well, but I can do that later on the top of your work. -- Cyril Hrubis chrubis@suse.cz -- Mailing list info: https://lists.linux.it/listinfo/ltp