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authorDavid Hildenbrand <david@redhat.com>2021-01-26 19:14:20 +0100
committerGuo Ren <guoren@linux.alibaba.com>2021-02-27 16:35:09 +0800
commit5d3f410fa9f35bd6378109a08b143d1d91ace588 (patch)
treeece11bfce342787f46ac2aa79f70f61dccf2953e
parentc47e1a1cb6d473172d4d9c24056960bd542dc56c (diff)
downloadlinux-5d3f410fa9f35bd6378109a08b143d1d91ace588.tar.bz2
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: Guo Ren <guoren@kernel.org> Signed-off-by: Guo Ren <guoren@kernel.org> Signed-off-by: David Hildenbrand <david@redhat.com>
-rw-r--r--arch/csky/mm/init.c17
1 files changed, 1 insertions, 16 deletions
diff --git a/arch/csky/mm/init.c b/arch/csky/mm/init.c
index 81e4e5e78f38..894050a8ce09 100644
--- a/arch/csky/mm/init.c
+++ b/arch/csky/mm/init.c
@@ -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)