Re: iwl3945: order 5 allocation during ifconfig up; vm problem?
From: Pavel Machek <hidden>
Date: 2012-09-10 11:11:21
Also in:
linux-mm, lkml
On Sun 2012-09-09 15:40:55, David Rientjes wrote:
On Sun, 9 Sep 2012, Pavel Machek wrote:quoted
On 3.6.0-rc2+, I tried to turn on the wireless, but got root@amd:~# ifconfig wlan0 10.0.0.6 up SIOCSIFFLAGS: Cannot allocate memory SIOCSIFFLAGS: Cannot allocate memory root@amd:~# It looks like it uses "a bit too big" allocations to allocate firmware...? Order five allocation.... Hmm... then I did "echo 3 > /proc/sys/vm/drop_caches" and now the network works. Is it VM problem that it failed to allocate memory when it was freeable?Do you have CONFIG_COMPACTION enabled?
Yes: pavel@amd:/data/l/linux-good$ zgrep CONFIG_COMPACTION /proc/config.gz CONFIG_COMPACTION=y Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html