On Thu, Sep 24, 2015 at 05:51:04PM +0300, Kirill A. Shutemov wrote:
> We don't define meaning of page->mapping for tail pages. Currently it's
> always NULL, which can be inconsistent with head page and potentially lead
> to problems.
>
> Let's poison the pointer to catch all illigal uses.
>
>
We don't define meaning of page->mapping for tail pages. Currently it's
always NULL, which can be inconsistent with head page and potentially lead
to problems.
Let's poison the pointer to catch all illigal uses.
page_rmapping(), page_mapping() and page_anon_vma() are changed to look on
head
We don't define meaning of page->mapping for tail pages. Currently it's
always NULL, which can be inconsistent with head page and potentially lead
to problems.
Let's poison the pointer to catch all illigal uses.
page_rmapping(), page_mapping() and page_anon_vma() are changed to look on
head
On Thu, Sep 24, 2015 at 05:51:04PM +0300, Kirill A. Shutemov wrote:
> We don't define meaning of page->mapping for tail pages. Currently it's
> always NULL, which can be inconsistent with head page and potentially lead
> to problems.
>
> Let's poison the pointer to catch all illigal uses.
>
>
We don't define meaning of page->mapping for tail pages. Currently it's
always NULL, which can be inconsistent with head page and potentially
lead to problems.
Let's poison the pointer to catch all illigal uses.
page_rmapping() and page_mapping() are changed to look on head page.
The only
We don't define meaning of page-mapping for tail pages. Currently it's
always NULL, which can be inconsistent with head page and potentially
lead to problems.
Let's poison the pointer to catch all illigal uses.
page_rmapping() and page_mapping() are changed to look on head page.
The only
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