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-rw-r--r--mm/swap_state.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/mm/swap_state.c b/mm/swap_state.c
index b97da97b6846..f233dccd3b1b 100644
--- a/mm/swap_state.c
+++ b/mm/swap_state.c
@@ -38,7 +38,7 @@ static const struct address_space_operations swap_aops = {
struct address_space *swapper_spaces[MAX_SWAPFILES] __read_mostly;
static unsigned int nr_swapper_spaces[MAX_SWAPFILES] __read_mostly;
-bool enable_vma_readahead __read_mostly = true;
+static bool enable_vma_readahead __read_mostly = true;
#define SWAP_RA_WIN_SHIFT (PAGE_SHIFT / 2)
#define SWAP_RA_HITS_MASK ((1UL << SWAP_RA_WIN_SHIFT) - 1)
@@ -733,8 +733,8 @@ static void swap_ra_info(struct vm_fault *vmf,
pte_unmap(orig_pte);
}
-struct page *swap_vma_readahead(swp_entry_t fentry, gfp_t gfp_mask,
- struct vm_fault *vmf)
+static struct page *swap_vma_readahead(swp_entry_t fentry, gfp_t gfp_mask,
+ struct vm_fault *vmf)
{
struct blk_plug plug;
struct vm_area_struct *vma = vmf->vma;