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

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On 2021/3/16 22:47, Christophe Leroy wrote:


Le 16/03/2021 à 15:26, Kefeng Wang a écrit :
mem_init_print_info() is called in mem_init() on each architecture,
and pass NULL argument, cleanup it by using void argument and move
it into mm_init().

Signed-off-by: Kefeng Wang <wangkefeng.wang@xxxxxxxxxx>
---
  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                  | 2 +-
  30 files changed, 3 insertions(+), 38 deletions(-)


diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 55d938297ce6..e4a6bf69c806 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;


And what about the 'str' in the last line of the function ?

    pr_info("Memory: %luK/%luK available (%luK kernel code, %luK rwdata, %luK rodata, %luK init, %luK bss, %luK reserved, %luK cma-reserved"
#ifdef    CONFIG_HIGHMEM
        ", %luK highmem"
#endif
        "%s%s)\n",
        nr_free_pages() << (PAGE_SHIFT - 10),
        physpages << (PAGE_SHIFT - 10),
        codesize >> 10, datasize >> 10, rosize >> 10,
        (init_data_size + init_code_size) >> 10, bss_size >> 10,
        (physpages - totalram_pages() - totalcma_pages) << (PAGE_SHIFT - 10),
        totalcma_pages << (PAGE_SHIFT - 10),
#ifdef    CONFIG_HIGHMEM
        totalhigh_pages() << (PAGE_SHIFT - 10),
#endif
        str ? ", " : "", str ? str : "");

oh,   I send a bad version,firstly I want to split two patches, one for function move, one for function change.

sorry, please ignore it, thanks for your remind.



Christophe
.




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