+ char-shrink-character-devices-devlist-array.patch added to mm-nonmm-unstable branch

+ char-shrink-character-devices-devlist-array.patch added to mm-nonmm-unstable branch

[Andrew Morton]

The patch titled
     Subject: drivers/char/mem.c: shrink character device's devlist[] array
has been added to the -mm mm-nonmm-unstable branch.  Its filename is
     char-shrink-character-devices-devlist-array.patch

This patch will shortly appear at
     https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/char-shrink-character-devices-devlist-array.patch

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

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------------------------------------------------------
From: Alexey Dobriyan <adobriyan@gmail.com>
Subject: drivers/char/mem.c: shrink character device's devlist[] array
Date: Mon, 21 Aug 2023 17:54:05 +0300

Merge padding, shrinking "struct memdev" from 32 bytes to 24 bytes
on 64-bit.

Link: https://lkml.kernel.org/r/fe4d62ab-2427-4635-b9f4-467853fb63e3@p183
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 drivers/char/mem.c |   18 +++++++++---------
 1 file changed, 9 insertions(+), 9 deletions(-)

--- a/drivers/char/mem.c~char-shrink-character-devices-devlist-array
+++ a/drivers/char/mem.c
@@ -692,23 +692,23 @@ static const struct file_operations full
 
 static const struct memdev {
 	const char *name;
-	umode_t mode;
 	const struct file_operations *fops;
 	fmode_t fmode;
+	umode_t mode;
 } devlist[] = {
 #ifdef CONFIG_DEVMEM
-	 [DEVMEM_MINOR] = { "mem", 0, &mem_fops, FMODE_UNSIGNED_OFFSET },
+	[DEVMEM_MINOR] = { "mem", &mem_fops, FMODE_UNSIGNED_OFFSET, 0 },
 #endif
-	 [3] = { "null", 0666, &null_fops, FMODE_NOWAIT },
+	[3] = { "null", &null_fops, FMODE_NOWAIT, 0666 },
 #ifdef CONFIG_DEVPORT
-	 [4] = { "port", 0, &port_fops, 0 },
+	[4] = { "port", &port_fops, 0, 0 },
 #endif
-	 [5] = { "zero", 0666, &zero_fops, FMODE_NOWAIT },
-	 [7] = { "full", 0666, &full_fops, 0 },
-	 [8] = { "random", 0666, &random_fops, FMODE_NOWAIT },
-	 [9] = { "urandom", 0666, &urandom_fops, FMODE_NOWAIT },
+	[5] = { "zero", &zero_fops, FMODE_NOWAIT, 0666 },
+	[7] = { "full", &full_fops, 0, 0666 },
+	[8] = { "random", &random_fops, FMODE_NOWAIT, 0666 },
+	[9] = { "urandom", &urandom_fops, FMODE_NOWAIT, 0666 },
 #ifdef CONFIG_PRINTK
-	[11] = { "kmsg", 0644, &kmsg_fops, 0 },
+	[11] = { "kmsg", &kmsg_fops, 0, 0644 },
 #endif
 };
 
_

Patches currently in -mm which might be from adobriyan@gmail.com are

adfs-delete-unused-union-adfs_dirtail-definition.patch
char-shrink-character-devices-devlist-array.patch