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

Christophe Leroy
2021-03-16T14:48:12Z

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@huawei.com>
> ---
> 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 : "");

Christophe