Commit 5d3f410f authored by David Hildenbrand's avatar David Hildenbrand Committed by Guo Ren
Browse files

csky: use free_initmem_default() in free_initmem() 



The existing code is essentially
free_initmem_default()->free_reserved_area() without poisoning.

Note that existing code missed to update the managed page count of the
zone.

Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Mike Rapoport <rppt@kernel.org>
Cc: Oscar Salvador <osalvador@suse.de>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Wei Yang <richard.weiyang@linux.alibaba.com>
Tested-by: default avatarGuo Ren <guoren@kernel.org>
Signed-off-by: default avatarGuo Ren <guoren@kernel.org>
Signed-off-by: default avatarDavid Hildenbrand <david@redhat.com>
parent c47e1a1c

arch/csky/mm/init.c

+1 −16
Original line number Diff line number Diff line
@@ -110,24 +110,9 @@ void __init mem_init(void) 
	mem_init_print_info(NULL);

}



extern char __init_begin[], __init_end[];



void free_initmem(void)

{

	unsigned long addr;



	addr = (unsigned long) &__init_begin;



	while (addr < (unsigned long) &__init_end) {

		ClearPageReserved(virt_to_page(addr));

		init_page_count(virt_to_page(addr));

		free_page(addr);

		totalram_pages_inc();

		addr += PAGE_SIZE;

	}



	pr_info("Freeing unused kernel memory: %dk freed\n",

	((unsigned int)&__init_end - (unsigned int)&__init_begin) >> 10);

	free_initmem_default(-1);

}



void pgd_init(unsigned long *p)