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

[Kefeng Wang]

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
> .