Re: [PATCH -mm -V2] mm, pagemap: Fix soft dirty marking for PMD migration entry

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

 



On Thu, Oct 19, 2017 at 03:10:46PM +0000, Huang, Ying wrote:
> From: Huang Ying <ying.huang@xxxxxxxxx>
> 
> Now, when the page table is walked in the implementation of
> /proc/<pid>/pagemap, pmd_soft_dirty() is used for both the PMD huge
> page map and the PMD migration entries.  That is wrong,
> pmd_swp_soft_dirty() should be used for the PMD migration entries
> instead because the different page table entry flag is used.
> Otherwise, the soft dirty information in /proc/<pid>/pagemap may be
> wrong.
> 
> Cc: Michal Hocko <mhocko@xxxxxxxx>
> Cc: "Kirill A. Shutemov" <kirill.shutemov@xxxxxxxxxxxxxxx>

As I said before, you can use my ack for this.

-- 
 Kirill A. Shutemov

--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@xxxxxxxxx.  For more info on Linux MM,
see: http://www.linux-mm.org/ .
Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>



[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