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mm: make rmap_walk() return void

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There is no user of the return value from rmap_walk() and friends so
this patch makes them void-returning functions.

Link: http://lkml.kernel.org/r/1489555493-14659-9-git-send-email-minchan@kernel.org
Signed-off-by: Minchan Kim <minchan@kernel.org>
Cc: Anshuman Khandual <khandual@linux.vnet.ibm.com>
Cc: Hillf Danton <hillf.zj@alibaba-inc.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Minchan Kim 2017-05-03 14:54:23 -07:00 • committed by Linus Torvalds
parent 666e5a406c
commit 1df631ae19
4 changed files with 23 additions and 34 deletions
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5
include/linux/ksm.h
View file

@ -61,7 +61,7 @@ static inline void set_page_stable_node(struct page *page,
struct page *ksm_might_need_to_copy(struct page *page,
struct vm_area_struct *vma, unsigned long address);
int rmap_walk_ksm(struct page *page, struct rmap_walk_control *rwc);
void rmap_walk_ksm(struct page *page, struct rmap_walk_control *rwc);
void ksm_migrate_page(struct page *newpage, struct page *oldpage);
#else /* !CONFIG_KSM */
@ -94,10 +94,9 @@ static inline int page_referenced_ksm(struct page *page,
return 0;
}
static inline int rmap_walk_ksm(struct page *page,
static inline void rmap_walk_ksm(struct page *page,
struct rmap_walk_control *rwc)
{
return 0;
}
static inline void ksm_migrate_page(struct page *newpage, struct page *oldpage)