Re: [PATCH] mm: kill frontswap

[Matthew Wilcox]

On Fri, Jul 14, 2023 at 03:46:08PM -0400, Johannes Weiner wrote:
> diff --git a/mm/zswap.c b/mm/zswap.c
> index 62195f72bf56..1b0128060792 100644
> --- a/mm/zswap.c
> +++ b/mm/zswap.c
> @@ -2,7 +2,7 @@
>  /*
>   * zswap.c - zswap driver file
>   *
> - * zswap is a backend for frontswap that takes pages that are in the process
> + * zswap is a cache that takes pages that are in the process
>   * of being swapped out and attempts to compress and store them in a
>   * RAM-based memory pool.  This can result in a significant I/O reduction on
>   * the swap device and, in the case where decompressing from RAM is faster
> @@ -20,7 +20,6 @@
>  #include <linux/spinlock.h>
>  #include <linux/types.h>
>  #include <linux/atomic.h>
> -#include <linux/frontswap.h>
>  #include <linux/rbtree.h>
>  #include <linux/swap.h>
>  #include <linux/crypto.h>

To make this patch compile, I had to add zswap.h to the include list.