Re: [PATCH 6/6] swap, put_swap_page: Share more between huge/normal code path

[Daniel Jordan]

On Fri, Jul 13, 2018 at 07:36:36AM +0800, Huang, Ying wrote:
> From: Huang Ying <ying.huang@xxxxxxxxx>
> 
> In this patch, locking related code is shared between huge/normal code
> path in put_swap_page() to reduce code duplication.  And `free_entries
> == 0` case is merged into more general `free_entries !=
> SWAPFILE_CLUSTER` case, because the new locking method makes it easy.

Might be a bit easier to think about the two changes if they were split up.

Agree with Dave's comment from patch 1, but otherwise the series looks ok to
me.  I like the nr_swap_entries macro, that's clever.