On 05/14/2014 07:19 AM, Hugh Dickins wrote:
On Tue, 13 May 2014, Sasha Levin wrote:
On 05/05/2014 11:50 AM, Vlastimil Babka wrote:
So in the end this VM_DEBUG check probably cannot work anymore for MIGRATE_RESERVE, only for CMA. I'm not sure if it's worth keeping it only for CMA, what are the CMA guys' opinions on that?
The way I understood it is that this patch is wrong, but it's still
alive in -mm. Should it still be there?
I agree that it should be dropped. I did not follow the discussion,
but mmotm soon gives me BUG at mm/page_alloc.c:1242 under swapping load.
Yes, I have already asked for dropping, and updating message of PATCH
1/2 at http://marc.info/?l=linux-mm&m=139947475413079&w=2
Vlastimil
Hugh
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