linux-kernel - Re: [PATCH 1/8] mm: Factor find_get_swap_page out of mincore

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Date:   Wed, 19 Aug 2020 20:21:09 +0100
From:   Matthew Wilcox <willy@...radead.org>
To:     linux-mm@...ck.org
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        Hugh Dickins <hughd@...gle.com>,
        William Kucharski <william.kucharski@...cle.com>,
        Jani Nikula <jani.nikula@...ux.intel.com>,
        Alexey Dobriyan <adobriyan@...il.com>,
        Johannes Weiner <hannes@...xchg.org>,
        Chris Wilson <chris@...is-wilson.co.uk>,
        Matthew Auld <matthew.auld@...el.com>,
        Huang Ying <ying.huang@...el.com>,
        intel-gfx@...ts.freedesktop.org, cgroups@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/8] mm: Factor find_get_swap_page out of mincore_page

On Wed, Aug 19, 2020 at 07:48:43PM +0100, Matthew Wilcox (Oracle) wrote:
> Provide this functionality from the swap cache.  It's useful for
> more than just mincore().

The build bot showed I was missing this for some configs:

diff --git a/mm/swap_state.c b/mm/swap_state.c
index 986b4e3d3bad..92a1f40be589 100644
--- a/mm/swap_state.c
+++ b/mm/swap_state.c
@@ -21,6 +21,7 @@
 #include <linux/vmalloc.h>
 #include <linux/swap_slots.h>
 #include <linux/huge_mm.h>
+#include <linux/shmem_fs.h>
 #include "internal.h"
 
 /*

I'll wait for more feedback before reposting the series in ~24 hours.