Messages in this thread | | | Date | Mon, 11 Mar 2013 13:16:12 +0800 | From | Zhang Yanfei <> | Subject | Re: [PATCH v2, part1 29/29] mm,kexec: use common help functions to free reserved pages |
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于 2013年03月10日 14:27, Jiang Liu 写道: > Use common help functions to free reserved pages. > > Signed-off-by: Jiang Liu <jiang.liu@huawei.com> > Cc: Eric Biederman <ebiederm@xmission.com>
Reviewed-by: Zhang Yanfei <zhangyanfei@cn.fujitsu.com>
> --- > kernel/kexec.c | 8 ++------ > 1 file changed, 2 insertions(+), 6 deletions(-) > > diff --git a/kernel/kexec.c b/kernel/kexec.c > index bddd3d7..be95397 100644 > --- a/kernel/kexec.c > +++ b/kernel/kexec.c > @@ -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)
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