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Diffstat (limited to 'include/linux/swap.h')
-rw-r--r--include/linux/swap.h8
1 files changed, 4 insertions, 4 deletions
diff --git a/include/linux/swap.h b/include/linux/swap.h
index 622025ac1461..4bfb5c4ac108 100644
--- a/include/linux/swap.h
+++ b/include/linux/swap.h
@@ -157,9 +157,9 @@ struct swap_extent {
/*
* Max bad pages in the new format..
*/
-#define __swapoffset(x) ((unsigned long)&((union swap_header *)0)->x)
#define MAX_SWAP_BADPAGES \
- ((__swapoffset(magic.magic) - __swapoffset(info.badpages)) / sizeof(int))
+ ((offsetof(union swap_header, magic.magic) - \
+ offsetof(union swap_header, info.badpages)) / sizeof(int))
enum {
SWP_USED = (1 << 0), /* is slot in swap_info[] used? */
@@ -307,7 +307,7 @@ struct vma_swap_readahead {
};
/* linux/mm/workingset.c */
-void *workingset_eviction(struct address_space *mapping, struct page *page);
+void *workingset_eviction(struct page *page);
void workingset_refault(struct page *page, void *shadow);
void workingset_activation(struct page *page);
@@ -625,7 +625,7 @@ static inline int mem_cgroup_swappiness(struct mem_cgroup *memcg)
return vm_swappiness;
/* root ? */
- if (mem_cgroup_disabled() || !memcg->css.parent)
+ if (mem_cgroup_disabled() || mem_cgroup_is_root(memcg))
return vm_swappiness;
return memcg->swappiness;