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mm: memory_failure: move memory_failure_attr_group under MEMORY_FAILURE

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The memory_failure_attr_group is only called if MEMORY_FAILURE enabled,
move it under this configuration.

Link: https://lkml.kernel.org/r/20230508114128.37081-1-wangkefeng.wang@huawei.com
Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Acked-by: Naoya Horiguchi <naoya.horiguchi@nec.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Kefeng Wang 2023-05-08 19:41:27 +08:00 committed by Andrew Morton
parent eb83f6528b
commit 870388db25
1 changed files with 4 additions and 5 deletions
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9
include/linux/mm.h
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@ -3586,6 +3586,10 @@ extern void shake_page(struct page *p);
extern atomic_long_t num_poisoned_pages __read_mostly;
extern int soft_offline_page(unsigned long pfn, int flags);
#ifdef CONFIG_MEMORY_FAILURE
/*
* Sysfs entries for memory failure handling statistics.
*/
extern const struct attribute_group memory_failure_attr_group;
extern void memory_failure_queue(unsigned long pfn, int flags);
extern int __get_huge_page_for_hwpoison(unsigned long pfn, int flags,
bool *migratable_cleared);
@ -3678,11 +3682,6 @@ enum mf_action_page_type {
MF_MSG_UNKNOWN,
};
/*
* Sysfs entries for memory failure handling statistics.
*/
extern const struct attribute_group memory_failure_attr_group;
#if defined(CONFIG_TRANSPARENT_HUGEPAGE) || defined(CONFIG_HUGETLBFS)
extern void clear_huge_page(struct page *page,
unsigned long addr_hint,