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fs: don't open code lru_to_page()

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Multiple filesystems open code lru_to_page().  Rectify this by moving
the macro from mm_inline (which is specific to lru stuff) to the more
generic mm.h header and start using the macro where appropriate.

No functional changes.

Link: http://lkml.kernel.org/r/20181129104810.23361-1-nborisov@suse.com
Link: https://lkml.kernel.org/r/20181129075301.29087-1-nborisov@suse.com
Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Acked-by: Michal Hocko <mhocko@suse.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Mike Rapoport <rppt@linux.ibm.com>
Acked-by: Pankaj gupta <pagupta@redhat.com>
Acked-by: "Yan, Zheng" <zyan@redhat.com>		[ceph]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Nikolay Borisov
2019-01-03 15:29:02 -08:00
committed by Linus Torvalds
parent 08d405c8b8
commit f86196ea87
10 changed files with 15 additions and 15 deletions
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2
include/linux/mm.h
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@@ -171,6 +171,8 @@ extern int overcommit_kbytes_handler(struct ctl_table *, int, void __user *,
/* test whether an address (unsigned long or pointer) is aligned to PAGE_SIZE */
#define PAGE_ALIGNED(addr) IS_ALIGNED((unsigned long)(addr), PAGE_SIZE)
#define lru_to_page(head) (list_entry((head)->prev, struct page, lru))
/*
* Linux kernel virtual memory manager primitives.
* The idea being to have a "virtual" mm in the same way