I looked up nothing useful with google,so I'm here for help..
when this happens: I use memcg to limit the memory use of a process,and
when the memcg cgroup was out of memory,
the process was oom-killed however,it cannot really complete the
exiting. here is the some information
OS versio
thanks very much.
在 Wed, 18 Jul 2012 14:51:09 +0800,Corrado Zoccolo
写道:
On Sun, Jul 15, 2012 at 9:08 AM, gaoqiang wrote:
many thanks. but why the sys_read operation hangs on sync_page ? there
are
still
many free memory.I mean ,the actually free memory,excluding the various
kinds of
aiting for reads (as Anticipatory in
old
kernels, and now CFQ) can achieve higher read to write ratios.
Cheers
Corrado
On Thu, Jul 12, 2012 at 11:01 AM, gaoqiang
wrote:
Hi,all
I have long known that deadline is read-prefered. but a simple
test gives the opposite result.