Re: [PATCH v2] mm: Move mem_init_print_info() into mm_init()

From: Kefeng Wang
Date: Wed Mar 17 2021 - 01:59:04 EST



On 2021/3/17 13:48, Christophe Leroy wrote:


Le 17/03/2021 à 02:52, Kefeng Wang a écrit :
mem_init_print_info() is called in mem_init() on each architecture,
and pass NULL argument, so using void argument and move it into mm_init().

Acked-by: Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx>
Signed-off-by: Kefeng Wang <wangkefeng.wang@xxxxxxxxxx>
---
v2:
- Cleanup 'str' line suggested by Christophe and ACK

  arch/alpha/mm/init.c             |  1 -
  arch/arc/mm/init.c               |  1 -
  arch/arm/mm/init.c               |  2 --
  arch/arm64/mm/init.c             |  2 --
  arch/csky/mm/init.c              |  1 -
  arch/h8300/mm/init.c             |  2 --
  arch/hexagon/mm/init.c           |  1 -
  arch/ia64/mm/init.c              |  1 -
  arch/m68k/mm/init.c              |  1 -
  arch/microblaze/mm/init.c        |  1 -
  arch/mips/loongson64/numa.c      |  1 -
  arch/mips/mm/init.c              |  1 -
  arch/mips/sgi-ip27/ip27-memory.c |  1 -
  arch/nds32/mm/init.c             |  1 -
  arch/nios2/mm/init.c             |  1 -
  arch/openrisc/mm/init.c          |  2 --
  arch/parisc/mm/init.c            |  2 --
  arch/powerpc/mm/mem.c            |  1 -
  arch/riscv/mm/init.c             |  1 -
  arch/s390/mm/init.c              |  2 --
  arch/sh/mm/init.c                |  1 -
  arch/sparc/mm/init_32.c          |  2 --
  arch/sparc/mm/init_64.c          |  1 -
  arch/um/kernel/mem.c             |  1 -
  arch/x86/mm/init_32.c            |  2 --
  arch/x86/mm/init_64.c            |  2 --
  arch/xtensa/mm/init.c            |  1 -
  include/linux/mm.h               |  2 +-
  init/main.c                      |  1 +
  mm/page_alloc.c                  | 10 +++++-----
  30 files changed, 7 insertions(+), 42 deletions(-)


diff --git a/include/linux/mm.h b/include/linux/mm.h
index 89314651dd62..c2e0b3495c5a 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -2373,7 +2373,7 @@ extern unsigned long free_reserved_area(void *start, void *end,
                      int poison, const char *s);
    extern void adjust_managed_page_count(struct page *page, long count);
-extern void mem_init_print_info(const char *str);
+extern void mem_init_print_info(void);

Sorry I didn't see that in previous patch.

'extern' keyword is pointless for function prototypes and is deprecated, you should remove it.

That said,

Reviewed-by: Christophe Leroy <christophe.leroy@xxxxxx> # focussed on powerpc
Thanks, let's wait for more feedback from other architectures, if necessary,  will send a new one.

    extern void reserve_bootmem_region(phys_addr_t start, phys_addr_t end);
.