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@xxxxxxxxx>
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@xxxxxxxxx>
Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
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@xxxxxxxxx are
adfs-delete-unused-union-adfs_dirtail-definition.patch
char-shrink-character-devices-devlist-array.patch
