| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Message-ID: <4568BB4F.2070701@mail.ru> Date: Sun, 26 Nov 2006 00:53:19 +0300 From: Michael Raskin <a1d23ab4@...l.ru> To: linux-kernel@...r.kernel.org CC: Andrew Morton <akpm@...l.org> Subject: Re: 2.6.19-rc1-mm1+ memory problem Andrew Morton wrote: >> 89361 times: >> Page allocated via order 0, mask 0x280d2 >> [0xc0159f31] __handle_mm_fault+1809 >> [0xc011318a] do_page_fault+314 >> [0xc04111c4] error_code+116 >> Can be anything. But if I understand anything, this memory is used >> because someone has requested a page that is swapped out. So the memory >> must be used, but not reflected in meminfo, and not by a process? > What you should do is to cause the system to free as many pages as possible > before looking ad /proc/page_owner. For example, build `usemem' from > http://www.zip.com.au/~akpm/linux/patches/stuff/ext3-tools.tar.gz, run > > usemem -m N (where N is the number of megabytes which the machine has) > > a couple of times. Then check /proc/meminfo, and look to see which pages > are left over in /proc/page_owner. Well, I was too lazy to get this utility, used my own to allocate and fill enough memory as to go some 50MB to deep swap (Did I understand correctly what usemem does?). Top 3 did not change, except for exact numbers. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists