<html><head><meta http-equiv="content-type" content="text/html; charset=ISO-8859-1"><style>body { line-height: 1.5; }blockquote { margin-top: 0px; margin-bottom: 0px; margin-left: 0.5em; }body { font-size: 14px; font-family: 'Microsoft YaHei UI'; color: rgb(0, 0, 0); line-height: 1.5; }</style></head><body>
<div><span></span></div><blockquote style="margin-Top: 0px; margin-Bottom: 0px; margin-Left: 0.5em; margin-Right: inherit"><div>safety = MAX(4096 * SAFE_SYSCONF(_SC_PAGESIZE), 128 * 1024 * 1024);</div><div>now safety margin is 128MB,not <span style="line-height: 1.5; background-color: transparent;">64MB. Right?</span></div><div> </div><div><br></div><div style="border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm"><div style="PADDING-RIGHT: 8px; PADDING-LEFT: 8px; FONT-SIZE: 12px;FONT-FAMILY:tahoma;COLOR:#000000; BACKGROUND: #efefef; PADDING-BOTTOM: 8px; PADDING-TOP: 8px"><div><b>From:</b> <a href="mailto:mdoucha@suse.cz">Martin Doucha</a></div><div><b>Date:</b> 2021-01-27 19:28</div><div><b>To:</b> <a href="mailto:liuxp11@chinatelecom.cn">liuxp11@chinatelecom.cn</a>; <a href="mailto:chrubis@suse.cz">Cyril Hrubis</a></div><div><b>CC:</b> <a href="mailto:ltp@lists.linux.it">ltp</a></div><div><b>Subject:</b> Re: [LTP] [PATCH 1/2] syscalls/ioctl: ioctl_sg01.c: ioctl_sg01 invoked oom-killer</div></div></div><div><div>On 27. 01. 21 11:04, liuxp11@chinatelecom.cn wrote:</div>
<div>> [root@test-env-nm05-compute-14e5e72e38 ~]# cat /proc/sys/vm/min_free_kbytes</div>
<div>> 90112</div>
<div> </div>
<div>Yep, there it is. min_free_kbytes is 90MB but we only leave 64MB safety</div>
<div>margin. I'll prepare a patch that'll increase safety margin to</div>
<div>2*min_free_kbytes if needed.</div>
<div> </div>
<div>-- </div>
<div>Martin Doucha mdoucha@suse.cz</div>
<div>QA Engineer for Software Maintenance</div>
<div>SUSE LINUX, s.r.o.</div>
<div>CORSO IIa</div>
<div>Krizikova 148/34</div>
<div>186 00 Prague 8</div>
<div>Czech Republic</div>
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