On Tue 27-08-19 17:00:16, Alastair D'Silva wrote:
[...]
> The NULL check was added in commit:
> 95a4774d055c ("memory-hotplug: update mce_bad_pages when removing the
> memory")
> where memmap was originally inited to NULL, and only conditionally
> given a value.
>
> With this in mind, since that
On 27.08.19 09:00, Alastair D'Silva wrote:
> On Tue, 2019-08-27 at 08:24 +0200, Michal Hocko wrote:
>> On Tue 27-08-19 15:36:55, Alastair D'Silva wrote:
>>> From: Alastair D'Silva
>>>
>>> By adding offset to memmap before passing it in to
>>> clear_hwpoisoned_pages,
>>> we hide a theoretically
On Tue, 2019-08-27 at 08:24 +0200, Michal Hocko wrote:
> On Tue 27-08-19 15:36:55, Alastair D'Silva wrote:
> > From: Alastair D'Silva
> >
> > By adding offset to memmap before passing it in to
> > clear_hwpoisoned_pages,
> > we hide a theoretically null memmap from the null check inside
> >
On Tue 27-08-19 15:36:55, Alastair D'Silva wrote:
> From: Alastair D'Silva
>
> By adding offset to memmap before passing it in to clear_hwpoisoned_pages,
> we hide a theoretically null memmap from the null check inside
> clear_hwpoisoned_pages.
Isn't that other way around? Calculating the
From: Alastair D'Silva
By adding offset to memmap before passing it in to clear_hwpoisoned_pages,
we hide a theoretically null memmap from the null check inside
clear_hwpoisoned_pages.
This patch passes the offset to clear_hwpoisoned_pages instead, allowing
memmap to successfully perform it's
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