On Tue 17-01-17 09:06:04, Huang, Ying wrote:
> Michal Hocko writes:
>
> > Hi,
> > I am seeing a lot of preempt unsafe warnings with the current mmotm and
> > I assume that this patchset has introduced the issue. I haven't checked
> > more closely but get_swap_page didn't use
On Tue 17-01-17 09:06:04, Huang, Ying wrote:
> Michal Hocko writes:
>
> > Hi,
> > I am seeing a lot of preempt unsafe warnings with the current mmotm and
> > I assume that this patchset has introduced the issue. I haven't checked
> > more closely but get_swap_page didn't use this_cpu_ptr before
Michal Hocko writes:
> Hi,
> I am seeing a lot of preempt unsafe warnings with the current mmotm and
> I assume that this patchset has introduced the issue. I haven't checked
> more closely but get_swap_page didn't use this_cpu_ptr before "mm/swap:
> add cache for swap slots
Michal Hocko writes:
> Hi,
> I am seeing a lot of preempt unsafe warnings with the current mmotm and
> I assume that this patchset has introduced the issue. I haven't checked
> more closely but get_swap_page didn't use this_cpu_ptr before "mm/swap:
> add cache for swap slots allocation"
>
> [
Hi,
I am seeing a lot of preempt unsafe warnings with the current mmotm and
I assume that this patchset has introduced the issue. I haven't checked
more closely but get_swap_page didn't use this_cpu_ptr before "mm/swap:
add cache for swap slots allocation"
[ 57.812314] BUG: using
Hi,
I am seeing a lot of preempt unsafe warnings with the current mmotm and
I assume that this patchset has introduced the issue. I haven't checked
more closely but get_swap_page didn't use this_cpu_ptr before "mm/swap:
add cache for swap slots allocation"
[ 57.812314] BUG: using
Change Log:
v5:
1. Rebase patch series on 4.10-rc3 kernel. Update patch series to remove
usage of obsoleted hot plug functions: cpu_notifier_register_begin(),
cpu_notifier_register_done(), and __register_hotcpu_notifier()
2. Fix a bug returning uninitialized swap slot when we run
out of swap
Change Log:
v5:
1. Rebase patch series on 4.10-rc3 kernel. Update patch series to remove
usage of obsoleted hot plug functions: cpu_notifier_register_begin(),
cpu_notifier_register_done(), and __register_hotcpu_notifier()
2. Fix a bug returning uninitialized swap slot when we run
out of swap
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