On 9/12/18 2:11 AM, Michal Hocko wrote:
On Tue 11-09-18 19:29:21, Matthew Wilcox wrote:
On Tue, Sep 11, 2018 at 04:35:03PM -0700, Yang Shi wrote:
[...]
I didn't get to read the patch yet.
If you guys think this is the better way I could convert my patches to
go this way. It is simple to
On Tue 11-09-18 19:29:21, Matthew Wilcox wrote:
> On Tue, Sep 11, 2018 at 04:35:03PM -0700, Yang Shi wrote:
[...]
I didn't get to read the patch yet.
> > And, Michal prefers have VM_HUGETLB and VM_PFNMAP handled separately for
> > safe and bisectable sake, which needs call the regular do_munmap()
On Tue, Sep 11, 2018 at 04:35:03PM -0700, Yang Shi wrote:
> On 9/11/18 2:16 PM, Matthew Wilcox wrote:
> > On Wed, Sep 12, 2018 at 04:58:11AM +0800, Yang Shi wrote:
> > > mm/mmap.c | 97
> > > +--
> > I really think you're going about thi
On 9/11/18 2:16 PM, Matthew Wilcox wrote:
On Wed, Sep 12, 2018 at 04:58:11AM +0800, Yang Shi wrote:
mm/mmap.c | 97 +--
I really think you're going about this the wrong way by duplicating
vm_munmap().
If we don't duplicate vm_mun
On Wed, Sep 12, 2018 at 04:58:11AM +0800, Yang Shi wrote:
> mm/mmap.c | 97
> +--
I really think you're going about this the wrong way by duplicating
vm_munmap().
When running some mmap/munmap scalability tests with large memory (i.e.
> 300GB), the below hung task issue may happen occasionally.
INFO: task ps:14018 blocked for more than 120 seconds.
Tainted: GE 4.9.79-009.ali3000.alios7.x86_64 #1
"echo 0 > /proc/sys/kernel/hung_task_timeo
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