>> Could you test if you see the deadlock before
>> 5ecfda041e4b4bd858d25bbf5a16c2a6c06d7272 without MAP_POPULATE ?
> Built and tested 72ddc8f72270758951ccefb7d190f364d20215ab.
> Confirmed that the original bug does not present in this version.
> Confirmed that removing MAP_POPULATE does cause the deadlock to occur.
git bisect leads to this:
bdfb04301fa5fdd95f219539a9a5b9663b1e5fc2 is the first bad commit
commit bdfb04301fa5fdd95f219539a9a5b9663b1e5fc2
Author: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Date: Wed Jan 20 21:55:30 2010 +0000
xfs: replace KM_LARGE with explicit vmalloc use
We use the KM_LARGE flag to make kmem_alloc and friends use vmalloc
if necessary. As we only need this for a few boot/mount time
allocations just switch to explicit vmalloc calls there.
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
Signed-off-by: Alex Elder <aelder@xxxxxxx>
:040000 040000 1eed68ced17d8794fa842396c01c3b9677c6e709 d462932a318f8c823fa2a73156e980a688968cb2 M fs
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