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csky: use free_initmem_default() in free_initmem()

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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: Guo Ren <guoren@kernel.org>
Signed-off-by: Guo Ren <guoren@kernel.org>
Signed-off-by: David Hildenbrand <david@redhat.com>
This commit is contained in:
David Hildenbrand 2021-01-26 19:14:20 +01:00 committed by Guo Ren
parent c47e1a1cb6
commit 5d3f410fa9
1 changed files with 1 additions and 16 deletions
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17
arch/csky/mm/init.c
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@ -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)