Re: [PATCH v3 1/2] mm/swap: do not choose swap device according to numa node

[Baoquan He <bhe@redhat.com>]

On 09/30/25 at 02:33pm, Baoquan He wrote:
> This reverts commit a2468cc9bfdf ("swap: choose swap device according
> to numa node").
> 
> After this patch, the behaviour will change back to pre-commit
> a2468cc9bfdf. Means the priority will be set from -1 then downwards by
> default, and when swapping, it will exhault swap device one by one
> according to priority from high to low. This is preparation work for
> later change.
> 
> [root@hp-dl385g10-03 ~]# swapon
> NAME       TYPE      SIZE   USED PRIO
> /dev/zram0 partition  16G    16G   -1
> /dev/zram1 partition  16G 966.2M   -2
> /dev/zram2 partition  16G     0B   -3
> /dev/zram3 partition  16G     0B   -4
> 
> Signed-off-by: Baoquan He <bhe@redhat.com>

Forgot Chris's for this patch:

Suggested-by: Chris Li <chrisl@kernel.org>


> ---
>  Documentation/admin-guide/mm/swap_numa.rst | 78 ----------------------
>  include/linux/swap.h                       | 11 +--
>  mm/swapfile.c                              | 76 ++++-----------------
>  3 files changed, 14 insertions(+), 151 deletions(-)
>  delete mode 100644 Documentation/admin-guide/mm/swap_numa.rst
......