From 88484826bc67844eeae1855ebe32cce9edd937c9 Mon Sep 17 00:00:00 2001 From: Mike Rapoport Date: Thu, 7 Jun 2018 17:07:11 -0700 Subject: [PATCH] mm/ksm: move [set_]page_stable_node from ksm.h to ksm.c page_stable_node() and set_page_stable_node() are only used in mm/ksm.c and there is no point to keep them in the include/linux/ksm.h [akpm@linux-foundation.org: fix SYSFS=n build] Link: http://lkml.kernel.org/r/1524552106-7356-3-git-send-email-rppt@linux.vnet.ibm.com Signed-off-by: Mike Rapoport Reviewed-by: Andrew Morton Cc: Andrea Arcangeli Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- include/linux/ksm.h | 11 ----------- mm/ksm.c | 11 +++++++++++ 2 files changed, 11 insertions(+), 11 deletions(-) diff --git a/include/linux/ksm.h b/include/linux/ksm.h index bbdfca3db6e1..161e8164abcf 100644 --- a/include/linux/ksm.h +++ b/include/linux/ksm.h @@ -37,17 +37,6 @@ static inline void ksm_exit(struct mm_struct *mm) __ksm_exit(mm); } -static inline struct stable_node *page_stable_node(struct page *page) -{ - return PageKsm(page) ? page_rmapping(page) : NULL; -} - -static inline void set_page_stable_node(struct page *page, - struct stable_node *stable_node) -{ - page->mapping = (void *)((unsigned long)stable_node | PAGE_MAPPING_KSM); -} - /* * When do_swap_page() first faults in from swap what used to be a KSM page, * no problem, it will be assigned to this vma's anon_vma; but thereafter, diff --git a/mm/ksm.c b/mm/ksm.c index 7d6558f3bac9..e2d2886fb1df 100644 --- a/mm/ksm.c +++ b/mm/ksm.c @@ -840,6 +840,17 @@ static int unmerge_ksm_pages(struct vm_area_struct *vma, return err; } +static inline struct stable_node *page_stable_node(struct page *page) +{ + return PageKsm(page) ? page_rmapping(page) : NULL; +} + +static inline void set_page_stable_node(struct page *page, + struct stable_node *stable_node) +{ + page->mapping = (void *)((unsigned long)stable_node | PAGE_MAPPING_KSM); +} + #ifdef CONFIG_SYSFS /* * Only called through the sysfs control interface: