Re: [PATCH v10 09/25] mm: protect VMA modifications using VMA sequence count

2018-05-14 Thread Laurent Dufour
On 23/04/2018 09:19, Minchan Kim wrote: > On Tue, Apr 17, 2018 at 04:33:15PM +0200, Laurent Dufour wrote: >> The VMA sequence count has been introduced to allow fast detection of >> VMA modification when running a page fault handler without holding >> the mmap_sem. >> >> This patch provides protect

Re: [PATCH v10 09/25] mm: protect VMA modifications using VMA sequence count

2018-04-23 Thread Minchan Kim
On Tue, Apr 17, 2018 at 04:33:15PM +0200, Laurent Dufour wrote: > The VMA sequence count has been introduced to allow fast detection of > VMA modification when running a page fault handler without holding > the mmap_sem. > > This patch provides protection against the VMA modification done in : >

[PATCH v10 09/25] mm: protect VMA modifications using VMA sequence count

2018-04-17 Thread Laurent Dufour
The VMA sequence count has been introduced to allow fast detection of VMA modification when running a page fault handler without holding the mmap_sem. This patch provides protection against the VMA modification done in : - madvise() - mpol_rebind_policy() - vma_replace_poli