Re: [V2 patch 0/6] mm/vmalloc: Assorted fixes and improvements

[Baoquan He <bhe@redhat.com>]

On 05/25/23 at 02:57pm, Thomas Gleixner wrote:
> This an update of version 1 which can be found here:
> 
>   https://lore.kernel.org/mm/20230523135902.517032811@linutronix.de
> 
> Following up to the discussion about excessive TLB flushes
> 
>    https://lore.kernel.org/all/87a5y5a6kj.ffs@tglx
> 
> this series addresses the following issues:
> 
>   1) Prevent the stale TLB problem related to fully utilized vmap blocks
> 
>   2) Avoid the double per CPU list walk in _vm_unmap_aliases()
> 
>   3) Avoid flushing dirty space over and over
> 
>   4) Add a lockless quickcheck in vb_alloc() and add missing
>      READ/WRITE_ONCE() annotations
> 
>   5) Prevent overeager purging of usable vmap_blocks if
>      not under memory/address space pressure.
> 
> Changes vs. version 1:
> 
>   - Coding style issues
>   - Remove unneccesary force_purge arguments
>   - Amend changelog of 1/6
>   - Pick up Reviewed-by tags where applicable

The series looks good to me, thx.

Reviewed-by: Baoquan He <bhe@redhat.com>