Unverified Commit 8f3e136f authored by Jisheng Zhang's avatar Jisheng Zhang Committed by Palmer Dabbelt
Browse files

riscv: mm: Remove setup_zero_page() 



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: default avatarJisheng Zhang <jszhang@kernel.org>
Reviewed-by: default avatarAnup Patel <anup@brainfault.org>
Signed-off-by: default avatarPalmer Dabbelt <palmerdabbelt@google.com>
parent 3332f419

arch/riscv/mm/init.c

+0 −6
Original line number Diff line number Diff line
@@ -67,11 +67,6 @@ static void __init zone_sizes_init(void) 
	free_area_init(max_zone_pfns);

}



static void __init 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)

{
@@ -867,7 +862,6 @@ RESERVEDMEM_OF_DECLARE(elfcorehdr, "linux,elfcorehdr", elfcore_hdr_setup); 
void __init paging_init(void)

{

	setup_vm_final();

	setup_zero_page();

}



void __init misc_mem_init(void)