On Thu, Mar 05, 2015 at 11:54:52PM +, Mel Gorman wrote:
> Dave Chinner reported the following on https://lkml.org/lkml/2015/3/1/226
>
>Across the board the 4.0-rc1 numbers are much slower, and the
>degradation is far worse when using the large memory footprint
>configs. Perf points
On Thu, Mar 5, 2015 at 3:54 PM, Mel Gorman wrote:
> if (!prot_numa || !pmd_protnone(*pmd)) {
> - entry = pmdp_get_and_clear_notify(mm, addr, pmd);
> - entry = pmd_modify(entry, newprot);
> + /*
> +
Dave Chinner reported the following on https://lkml.org/lkml/2015/3/1/226
Across the board the 4.0-rc1 numbers are much slower, and the
degradation is far worse when using the large memory footprint
configs. Perf points straight at the cause - this is from 4.0-rc1
on the "-o bhash=1010
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