From: Jisheng Zhang <jszh...@kernel.org> The empty_zero_page sits at .bss..page_aligned section, so will be cleared to zero during clearing bss, we don't need to clear it again.
Signed-off-by: Jisheng Zhang <jszh...@kernel.org> --- arch/riscv/mm/init.c | 6 ------ 1 file changed, 6 deletions(-) diff --git a/arch/riscv/mm/init.c b/arch/riscv/mm/init.c index 7f5036fbee8c..dbeaa4144e4d 100644 --- a/arch/riscv/mm/init.c +++ b/arch/riscv/mm/init.c @@ -57,11 +57,6 @@ static void __init zone_sizes_init(void) free_area_init(max_zone_pfns); } -static void setup_zero_page(void) -{ - memset((void *)empty_zero_page, 0, PAGE_SIZE); -} - #if defined(CONFIG_MMU) && defined(CONFIG_DEBUG_VM) static inline void print_mlk(char *name, unsigned long b, unsigned long t) { @@ -589,7 +584,6 @@ void mark_rodata_ro(void) void __init paging_init(void) { setup_vm_final(); - setup_zero_page(); } void __init misc_mem_init(void) -- 2.31.0