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| author | Jiang Liu <liuj97@gmail.com> | 2013-04-29 15:06:58 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-04-29 15:54:31 -0700 |
| commit | e07cee23e64137f7da2fb35d7b7c0ad26cc0edec (patch) | |
| tree | 24dd1390f705818c95c11bd44942c44c02712398 /kernel/kexec.c | |
| parent | c941836819569abd5319f93f68638b65e2dfecc5 (diff) | |
| download | linux-e07cee23e64137f7da2fb35d7b7c0ad26cc0edec.tar.gz linux-e07cee23e64137f7da2fb35d7b7c0ad26cc0edec.tar.bz2 linux-e07cee23e64137f7da2fb35d7b7c0ad26cc0edec.zip | |
mm,kexec: use common help functions to free reserved pages
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>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'kernel/kexec.c')
| -rw-r--r-- | kernel/kexec.c | 8 |
1 files changed, 2 insertions, 6 deletions
diff --git a/kernel/kexec.c b/kernel/kexec.c index ffd4e111fd67..b19181d44201 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) |