Commit 870388db authored by Kefeng Wang's avatar Kefeng Wang Committed by Andrew Morton
Browse files

mm: memory_failure: move memory_failure_attr_group under MEMORY_FAILURE 

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: default avatarKefeng Wang <wangkefeng.wang@huawei.com>
Acked-by: default avatarNaoya Horiguchi <naoya.horiguchi@nec.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
parent eb83f652

include/linux/mm.h

+4 −5
Original line number Diff line number Diff line
@@ -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,