+ mm-remove-arguments-of-show_mem.patch added to mm-unstable branch

+ mm-remove-arguments-of-show_mem.patch added to mm-unstable branch

[Andrew Morton]

The patch titled
     Subject: mm: remove arguments of show_mem()
has been added to the -mm mm-unstable branch.  Its filename is
     mm-remove-arguments-of-show_mem.patch

This patch will shortly appear at
     https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-remove-arguments-of-show_mem.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: Kefeng Wang <wangkefeng.wang@huawei.com>
Subject: mm: remove arguments of show_mem()
Date: Fri, 30 Jun 2023 14:22:52 +0800

All callers of show_mem() pass 0 and NULL, so we can remove the two
arguments by directly calling __show_mem(0, NULL, MAX_NR_ZONES - 1) in
show_mem().

Link: https://lkml.kernel.org/r/20230630062253.189440-1-wangkefeng.wang@huawei.com
Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Cc: Christophe Leroy <christophe.leroy@csgroup.eu>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 arch/powerpc/xmon/xmon.c  |    2 +-
 drivers/tty/sysrq.c       |    2 +-
 drivers/tty/vt/keyboard.c |    2 +-
 include/linux/mm.h        |    4 ++--
 init/initramfs.c          |    2 +-
 kernel/panic.c            |    2 +-
 6 files changed, 7 insertions(+), 7 deletions(-)

--- a/arch/powerpc/xmon/xmon.c~mm-remove-arguments-of-show_mem
+++ a/arch/powerpc/xmon/xmon.c
@@ -1084,7 +1084,7 @@ cmds(struct pt_regs *excp)
 				memzcan();
 				break;
 			case 'i':
-				show_mem(0, NULL);
+				show_mem();
 				break;
 			default:
 				termch = cmd;
--- a/drivers/tty/sysrq.c~mm-remove-arguments-of-show_mem
+++ a/drivers/tty/sysrq.c
@@ -342,7 +342,7 @@ static const struct sysrq_key_op sysrq_f
 
 static void sysrq_handle_showmem(int key)
 {
-	show_mem(0, NULL);
+	show_mem();
 }
 static const struct sysrq_key_op sysrq_showmem_op = {
 	.handler	= sysrq_handle_showmem,
--- a/drivers/tty/vt/keyboard.c~mm-remove-arguments-of-show_mem
+++ a/drivers/tty/vt/keyboard.c
@@ -606,7 +606,7 @@ static void fn_scroll_back(struct vc_dat
 
 static void fn_show_mem(struct vc_data *vc)
 {
-	show_mem(0, NULL);
+	show_mem();
 }
 
 static void fn_show_state(struct vc_data *vc)
--- a/include/linux/mm.h~mm-remove-arguments-of-show_mem
+++ a/include/linux/mm.h
@@ -3085,9 +3085,9 @@ extern void mem_init(void);
 extern void __init mmap_init(void);
 
 extern void __show_mem(unsigned int flags, nodemask_t *nodemask, int max_zone_idx);
-static inline void show_mem(unsigned int flags, nodemask_t *nodemask)
+static inline void show_mem(void)
 {
-	__show_mem(flags, nodemask, MAX_NR_ZONES - 1);
+	__show_mem(0, NULL, MAX_NR_ZONES - 1);
 }
 extern long si_mem_available(void);
 extern void si_meminfo(struct sysinfo * val);
--- a/init/initramfs.c~mm-remove-arguments-of-show_mem
+++ a/init/initramfs.c
@@ -61,7 +61,7 @@ static void __init error(char *x)
 }
 
 #define panic_show_mem(fmt, ...) \
-	({ show_mem(0, NULL); panic(fmt, ##__VA_ARGS__); })
+	({ show_mem(); panic(fmt, ##__VA_ARGS__); })
 
 /* link hash */
 
--- a/kernel/panic.c~mm-remove-arguments-of-show_mem
+++ a/kernel/panic.c
@@ -216,7 +216,7 @@ static void panic_print_sys_info(bool co
 		show_state();
 
 	if (panic_print & PANIC_PRINT_MEM_INFO)
-		show_mem(0, NULL);
+		show_mem();
 
 	if (panic_print & PANIC_PRINT_TIMER_INFO)
 		sysrq_timer_list_show();
_

Patches currently in -mm which might be from wangkefeng.wang@huawei.com are

mm-remove-arguments-of-show_mem.patch
mm-make-show_free_areas-static.patch