Re: Subject: [RFC MM] mmap_sem scaling: Use mutex and percpu counter instead
From: Minchan Kim
Date: Fri Nov 06 2009 - 23:19:48 EST
On Sat, Nov 7, 2009 at 2:10 AM, Christoph Lameter
> 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?
it would be importatn to prevent livelock for reader to hold lock
hodling writer than 1 msec write ovhead.
First of all, After we solve it, second step is that optimize write
overhead, I think.
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/