On Thu 03-09-20 12:31:36, Andrew Morton wrote:
> On Thu, 3 Sep 2020 19:36:26 +0200 David Hildenbrand wrote:
>
> > (still on vacation, back next week on Tuesday)
> >
> > I didn't look into discussions in v1, but to me this looks like we are
> > trying to hide an actual bug by implementing hacks
> Am 03.09.2020 um 21:31 schrieb Andrew Morton :
>
> On Thu, 3 Sep 2020 19:36:26 +0200 David Hildenbrand wrote:
>
>> (still on vacation, back next week on Tuesday)
>>
>> I didn't look into discussions in v1, but to me this looks like we are
>> trying to hide an actual bug by implementing
On Thu, 3 Sep 2020 19:36:26 +0200 David Hildenbrand wrote:
> (still on vacation, back next week on Tuesday)
>
> I didn't look into discussions in v1, but to me this looks like we are
> trying to hide an actual bug by implementing hacks in the caller
> (repeated calls to drain_all_pages()). What
On Thu, Sep 3, 2020 at 1:36 PM David Hildenbrand wrote:
>
> On 03.09.20 16:00, Pavel Tatashin wrote:
> > There is a race during page offline that can lead to infinite loop:
> > a page never ends up on a buddy list and __offline_pages() keeps
> > retrying infinitely or until a termination signal
On 03.09.20 16:00, Pavel Tatashin wrote:
> There is a race during page offline that can lead to infinite loop:
> a page never ends up on a buddy list and __offline_pages() keeps
> retrying infinitely or until a termination signal is received.
>
> Thread#1 - a new process:
>
> load_elf_binary
>
There is a race during page offline that can lead to infinite loop:
a page never ends up on a buddy list and __offline_pages() keeps
retrying infinitely or until a termination signal is received.
Thread#1 - a new process:
load_elf_binary
begin_new_exec
exec_mmap
mmput
exit_mmap
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