On Thu, 2019-08-15 at 09:36 +0200, christophe leroy wrote:
>
> Le 15/08/2019 à 06:10, Alastair D'Silva a écrit :
> > From: Alastair D'Silva
> >
> > When presented with large amounts of memory being hotplugged
> > (in my test case, ~890GB), the call to flush_dcache_range takes
> > a while (~50 se
Le 15/08/2019 à 06:10, Alastair D'Silva a écrit :
From: Alastair D'Silva
When presented with large amounts of memory being hotplugged
(in my test case, ~890GB), the call to flush_dcache_range takes
a while (~50 seconds), triggering RCU stalls.
This patch breaks up the call into 16GB chunks,
On Thu, Aug 15, 2019 at 02:10:49PM +1000, Alastair D'Silva wrote:
> From: Alastair D'Silva
>
> When presented with large amounts of memory being hotplugged
> (in my test case, ~890GB), the call to flush_dcache_range takes
> a while (~50 seconds), triggering RCU stalls.
>
> This patch breaks up t
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