On Tue, Oct 17, 2017 at 04:18:18PM +0800, 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. > > Cc: Michal Hocko <mhocko@xxxxxxxx> > Cc: "Kirill A. Shutemov" <kirill.shutemov@xxxxxxxxxxxxxxx> > Cc: David Rientjes <rientjes@xxxxxxxxxx> > Cc: Arnd Bergmann <arnd@xxxxxxxx> > Cc: Hugh Dickins <hughd@xxxxxxxxxx> > Cc: "Jérôme Glisse" <jglisse@xxxxxxxxxx> > Cc: Daniel Colascione <dancol@xxxxxxxxxx> > Cc: Zi Yan <zi.yan@xxxxxxxxxxxxxx> > Cc: Naoya Horiguchi <n-horiguchi@xxxxxxxxxxxxx> > Signed-off-by: "Huang, Ying" <ying.huang@xxxxxxxxx> What is effect of the misbehaviour? pagemap reports garbage? Shoudn't it be in stable@? And maybe add Fixes: <sha1>. Otherwise, looks good to me. Acked-by: Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx> -- 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>
