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Commit e07cee23 authored by Jiang Liu's avatar Jiang Liu Committed by Linus Torvalds
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mm,kexec: use common help functions to free reserved pages 



Use common help functions to free reserved pages.

Signed-off-by: default avatarJiang Liu <jiang.liu@huawei.com>
Cc: Eric Biederman <ebiederm@xmission.com>
Reviewed-by: default avatarZhang Yanfei <zhangyanfei@cn.fujitsu.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent c9418368

kernel/kexec.c

+2 −6
Original line number Diff line number Diff line
@@ -1118,12 +1118,8 @@ void __weak crash_free_reserved_phys_range(unsigned long begin, 
{

	unsigned long addr;



	for (addr = begin; addr < end; addr += PAGE_SIZE) {

		ClearPageReserved(pfn_to_page(addr >> PAGE_SHIFT));

		init_page_count(pfn_to_page(addr >> PAGE_SHIFT));

		free_page((unsigned long)__va(addr));

		totalram_pages++;

	}

	for (addr = begin; addr < end; addr += PAGE_SIZE)

		free_reserved_page(pfn_to_page(addr >> PAGE_SHIFT));

}



int crash_shrink_memory(unsigned long new_size)