On Fri, Jul 28, 2017 at 09:46:34AM +0100, Mel Gorman wrote:
> On Fri, Jul 28, 2017 at 03:41:51PM +0900, Minchan Kim wrote:
> > Nadav reported parallel MADV_DONTNEED on same range has a stale TLB
> > problem and Mel fixed it[1] and found same problem on MADV_FREE[2].
> >
> > Quote from Mel Gorman
On Fri, Jul 28, 2017 at 09:46:34AM +0100, Mel Gorman wrote:
> On Fri, Jul 28, 2017 at 03:41:51PM +0900, Minchan Kim wrote:
> > Nadav reported parallel MADV_DONTNEED on same range has a stale TLB
> > problem and Mel fixed it[1] and found same problem on MADV_FREE[2].
> >
> > Quote from Mel Gorman
On Fri, Jul 28, 2017 at 03:41:51PM +0900, Minchan Kim wrote:
> Nadav reported parallel MADV_DONTNEED on same range has a stale TLB
> problem and Mel fixed it[1] and found same problem on MADV_FREE[2].
>
> Quote from Mel Gorman
>
> "The race in question is CPU 0 running madv_free and updating
On Fri, Jul 28, 2017 at 03:41:51PM +0900, Minchan Kim wrote:
> Nadav reported parallel MADV_DONTNEED on same range has a stale TLB
> problem and Mel fixed it[1] and found same problem on MADV_FREE[2].
>
> Quote from Mel Gorman
>
> "The race in question is CPU 0 running madv_free and updating
Nadav reported parallel MADV_DONTNEED on same range has a stale TLB
problem and Mel fixed it[1] and found same problem on MADV_FREE[2].
Quote from Mel Gorman
"The race in question is CPU 0 running madv_free and updating some PTEs
while CPU 1 is also running madv_free and looking at the same
Nadav reported parallel MADV_DONTNEED on same range has a stale TLB
problem and Mel fixed it[1] and found same problem on MADV_FREE[2].
Quote from Mel Gorman
"The race in question is CPU 0 running madv_free and updating some PTEs
while CPU 1 is also running madv_free and looking at the same
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