[lkml]   [2012]   [Feb]   [9]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [PATCH] block: strip out locking optimization in put_io_context()
2012/2/9 Tejun Heo <>:
> Hello, Shaohua.
> On Wed, Feb 08, 2012 at 04:29:53PM +0800, Shaohua Li wrote:
>> > the test adds mem=4G in a 2 sockets 16 CPU machine.
>> > just make several copy of kernel source in tmpfs (so there is swap
>> > depending on your
>> > memory size) and run kernel build in the kernel source in the meaning time.
>> > there is only one swap device which is a rotating disk.
>> >
>> > I'll test both patches soon.
>> Tried all the options, the regression still exists. Any new idea?
>> I'll spend some time on it if I can get anything
> Can you please try the following one?  Thanks a lot!
doesn't work.
I also double confirmed b2efa05265d62 causes the regression
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to
More majordomo info at
Please read the FAQ at

 \ /
  Last update: 2012-02-09 07:25    [W:0.130 / U:5.080 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site