https://jira.whamcloud.com This file is an XML representation of an issue en-us 9.4.14 940014 05-12-2023 https://jira.whamcloud.com/browse/LU-5304 Lustre <p>In some case the memory allocated by lustre could be zero-out twice (kmalloc followed by memset in LIBCFS_ALLOC_*, followed by another memset in the source code).</p> <p>Additionally if GFP_ZERO is set, then the kernel will zero out the<br/> block too. Surely that can't be too good for performance.</p> <p>cfs_cpt_malloc() has a similar issue.</p> LU-5304

kernel allocated memroy can be memset up to 3 times

Bug Minor Resolved Fixed Cliff White Frank Zago patch Tue, 8 Jul 2014 17:27:09 +0000 Wed, 18 Feb 2015 21:16:45 +0000 Fri, 15 Aug 2014 20:06:36 +0000 Lustre 2.5.1 Lustre 2.7.0 0 3 <p> <a href="http://review.whamcloud.com/11011" class="external-link" target="_blank" rel="nofollow noopener">http://review.whamcloud.com/11011</a><br/> <a href="http://review.whamcloud.com/11012" class="external-link" target="_blank" rel="nofollow noopener">http://review.whamcloud.com/11012</a></p> <p>Added <a href="http://review.whamcloud.com/11029" class="external-link" target="_blank" rel="nofollow noopener">http://review.whamcloud.com/11029</a> </p> <p>All patches have been merged</p> Development Rank 1|hzwqv3: Rank (Obsolete) 14818 Severity