diff options
Diffstat (limited to 'include/linux/swap.h')
| -rw-r--r-- | include/linux/swap.h | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/include/linux/swap.h b/include/linux/swap.h index 61d63379e956..9c4ae6f14eea 100644 --- a/include/linux/swap.h +++ b/include/linux/swap.h @@ -400,16 +400,17 @@ extern struct page *do_swap_page_readahead(swp_entry_t fentry, gfp_t gfp_mask, struct vm_fault *vmf, struct vma_swap_readahead *swap_ra); -static inline bool swap_use_vma_readahead(void) -{ - return READ_ONCE(swap_vma_readahead); -} - /* linux/mm/swapfile.c */ extern atomic_long_t nr_swap_pages; extern long total_swap_pages; +extern atomic_t nr_rotate_swap; extern bool has_usable_swap(void); +static inline bool swap_use_vma_readahead(void) +{ + return READ_ONCE(swap_vma_readahead) && !atomic_read(&nr_rotate_swap); +} + /* Swap 50% full? Release swapcache more aggressively.. */ static inline bool vm_swap_full(void) { |