Re: [PATCH AUTOSEL 5.0 92/99] btrfs: Switch memory allocations in async csum calculation path to kvmalloc

[David Sterba]

On Tue, May 07, 2019 at 01:32:26AM -0400, Sasha Levin wrote:
> From: Nikolay Borisov <nborisov@xxxxxxxx>
> 
> [ Upstream commit a3d46aea46f99d134b4e0726e4826b824c3e5980 ]
> 
> Recent multi-page biovec rework allowed creation of bios that can span
> large regions - up to 128 megabytes in the case of btrfs.

Not necessary for 5.0/4.x as it depends on 5.1 changes.