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. -- Mel Gorman SUSE Labs
