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

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Le 16/03/2021 à 16:29, 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().

Signed-off-by: Kefeng Wang <wangkefeng.wang@xxxxxxxxxx>
---

Resend with 'str' line cleanup, and only test on ARM64 qemu.

  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                  | 6 +++---
  30 files changed, 5 insertions(+), 40 deletions(-)


diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 55d938297ce6..cf5a2114c6d4 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -7728,7 +7728,7 @@ unsigned long free_reserved_area(void *start, void *end, int poison, const char
  	return pages;
  }
-void __init mem_init_print_info(const char *str)
+void __init mem_init_print_info(void)
  {
  	unsigned long physpages, codesize, datasize, rosize, bss_size;
  	unsigned long init_code_size, init_data_size;
@@ -7767,7 +7767,7 @@ void __init mem_init_print_info(const char *str)
  #ifdef	CONFIG_HIGHMEM
  		", %luK highmem"
  #endif
-		"%s%s)\n",
+		"%s)\n",
  		nr_free_pages() << (PAGE_SHIFT - 10),
  		physpages << (PAGE_SHIFT - 10),
  		codesize >> 10, datasize >> 10, rosize >> 10,
@@ -7777,7 +7777,7 @@ void __init mem_init_print_info(const char *str)
  #ifdef	CONFIG_HIGHMEM
  		totalhigh_pages() << (PAGE_SHIFT - 10),
  #endif
-		str ? ", " : "", str ? str : "");
+		"");
  }
/**


What is the benefit of a %s to print a constant "" ?

You should tidy up completely.

Christophe



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