+ shmem-fix-w=1-build-warnings-with-config_shmem=n.patch added to mm-unstable branch

[Andrew Morton <akpm@linux-foundation.org>]

The patch titled
     Subject: shmem: fix W=1 build warnings with CONFIG_SHMEM=n
has been added to the -mm mm-unstable branch.  Its filename is
     shmem-fix-w=1-build-warnings-with-config_shmem=n.patch

This patch will shortly appear at
     https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/shmem-fix-w=1-build-warnings-with-config_shmem=n.patch

This patch will later appear in the mm-unstable branch at
    git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

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------------------------------------------------------
From: "Matthew Wilcox (Oracle)" <willy@infradead.org>
Subject: shmem: fix W=1 build warnings with CONFIG_SHMEM=n
Date: Mon, 6 Feb 2023 19:08:50 +0000

With W=1 and CONFIG_SHMEM=n, shmem.c functions have no prototypes so the
compiler emits warnings.

Link: https://lkml.kernel.org/r/20230206190850.4054983-1-willy@infradead.org
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Mark Hemment <markhemm@googlemail.com>
Cc: Charan Teja Kalla <quic_charante@quicinc.com>
Cc: David Rientjes <rientjes@google.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Pavankumar Kondeti <quic_pkondeti@quicinc.com>
Cc: Shakeel Butt <shakeelb@google.com>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---


--- a/mm/shmem.c~shmem-fix-w=1-build-warnings-with-config_shmem=n
+++ a/mm/shmem.c
@@ -33,6 +33,7 @@
 #include <linux/random.h>
 #include <linux/sched/signal.h>
 #include <linux/export.h>
+#include <linux/shmem_fs.h>
 #include <linux/swap.h>
 #include <linux/uio.h>
 #include <linux/hugetlb.h>
@@ -58,7 +59,6 @@ static struct vfsmount *shm_mnt;
 #include <linux/string.h>
 #include <linux/slab.h>
 #include <linux/backing-dev.h>
-#include <linux/shmem_fs.h>
 #include <linux/writeback.h>
 #include <linux/pagevec.h>
 #include <linux/percpu_counter.h>
_

Patches currently in -mm which might be from willy@infradead.org are

mm-add-memcpy_from_file_folio.patch
shmem-fix-w=1-build-warnings-with-config_shmem=n.patch