Messages in this thread | | | Date | Sat, 7 Nov 2009 13:19:33 +0900 | Subject | Re: Subject: [RFC MM] mmap_sem scaling: Use mutex and percpu counter instead | From | Minchan Kim <> |
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On Sat, Nov 7, 2009 at 2:10 AM, Christoph Lameter <cl@linux-foundation.org> wrote: > On Sat, 7 Nov 2009, Minchan Kim wrote: > >> How about change from 'mm_readers' to 'is_readers' to improve your >> goal 'scalibility'? > > Good idea. Thanks. Next rev will use your suggestion. > > Any creative thoughts on what to do about the 1 millisecond wait period? >
Hmm, it would be importatn to prevent livelock for reader to hold lock continuously before hodling writer than 1 msec write ovhead. First of all, After we solve it, second step is that optimize write overhead, I think.
-- Kind regards, Minchan Kim
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