On Wed, 24 Apr 2019 10:04:03 +0100 Mel Gorman <[email protected]> wrote:
> On Tue, Apr 23, 2019 at 12:01:43PM -0700, Andrew Morton wrote: > > On Tue, 23 Apr 2019 15:08:06 +0300 Andrey Ryabinin > > <[email protected]> wrote: > > > > > Commit 0a79cdad5eb2 ("mm: use alloc_flags to record if kswapd can wake") > > > removed setting of the ALLOC_NOFRAGMENT flag. Bring it back. > > > > What are the runtime effects of this fix? > > The runtime effect is that ALLOC_NOFRAGMENT behaviour is restored so > that allocations are spread across local zones to avoid fragmentation > due to mixing pageblocks as long as possible. OK, thanks. Is this worth a -stable backport?
