Re: [PATCH -next] mm/compaction: no stuck in __reset_isolation_pfn()

[Mel Gorman]

On Tue, Feb 05, 2019 at 10:47:32PM -0500, Qian Cai wrote:
> The commit c68d77911c23 ("mm, compaction: be selective about what
> pageblocks to clear skip hints") introduced an infinite loop if a pfn is
> invalid, it will loop again without increasing page counters. It can be
> reproduced by running LTP tests on an arm64 server.
> 

That was careless of me but the patch looks
correct. Andrew, this is a fix to the mmotm patch
mm-compaction-be-selective-about-what-pageblocks-to-clear-skip-hints.patch

Acked-by: Mel Gorman <mgorman@xxxxxxxxxxxxxxxxxxx>

Thanks Qian!

-- 
Mel Gorman
SUSE Labs