Re: [PATCH v2 5/8] pgtable: improve pte_protnone() comment

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Tue, Aug 01, 2023 at 02:48:41PM +0200, David Hildenbrand wrote:
> Especially the "For PROT_NONE VMAs, the PTEs are not marked
> _PAGE_PROTNONE" is wrong: doing an mprotect(PROT_NONE) will end up
> marking all PTEs on x86 as _PAGE_PROTNONE, making pte_protnone()
> indicate "yes".
> 
> So let's improve the comment, so it's easier to grasp which semantics
> pte_protnone() actually has.
> 
> Signed-off-by: David Hildenbrand <david@xxxxxxxxxx>

Acked-by: Mel Gorman <mgorman@xxxxxxxxxxxxxxxxxxx>

-- 
Mel Gorman
SUSE Labs




[Index of Archives]     [Linux ARM Kernel]     [Linux ARM]     [Linux Omap]     [Fedora ARM]     [IETF Annouce]     [Bugtraq]     [Linux OMAP]     [Linux MIPS]     [eCos]     [Asterisk Internet PBX]     [Linux API]

  Powered by Linux