[dpdk-dev] [PATCH] Revert "mem: allocate in reverse to reduce fragmentation"
Burakov, Anatoly
anatoly.burakov at intel.com
Thu Jul 26 11:30:28 CEST 2018
On 26-Jul-18 10:18 AM, Thomas Monjalon wrote:
> 24/07/2018 14:21, Anatoly Burakov:
>> This reverts commit 179f916e88e4a0fdd5ad4d20e226771d3d271c41.
>>
>> A few regressions with virtio/vhost have been discovered, due to the
>> strong dependency of virtio/vhost on the underlying memory layout.
>> Specifically, virtio/vhost share all memory pages starting from the
>> beginning of the segment, while the patch above made it so that the
>> memory is always allocated from the top of VA space, not from the
>> bottom.
>>
>> Signed-off-by: Anatoly Burakov <anatoly.burakov at intel.com>
>
> Applied with this fun title:
> mem: revert reversed allocation
>
Next time i'll submit a patch which will revert reverted reverse
allocation :)
--
Thanks,
Anatoly
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