Commit f5c754d6 authored by Colin Ian King's avatar Colin Ian King Committed by Linus Torvalds

mm/swap_state.c: make bool enable_vma_readahead and swap_vma_readahead() static

The bool enable_vma_readahead and swap_vma_readahead() are local to the
source and do not need to be in global scope, so make them static.

Cleans up sparse warnings:

  mm/swap_state.c:41:6: warning: symbol 'enable_vma_readahead' was not declared. Should it be static?
  mm/swap_state.c:742:13: warning: symbol 'swap_vma_readahead' was not declared. Should it be static?

Link: http://lkml.kernel.org/r/20180223164852.5159-1-colin.king@canonical.comSigned-off-by: default avatarColin Ian King <colin.king@canonical.com>
Reviewed-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Acked-by: default avatar"Huang, Ying" <ying.huang@intel.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 3172485f
...@@ -38,7 +38,7 @@ static const struct address_space_operations swap_aops = { ...@@ -38,7 +38,7 @@ static const struct address_space_operations swap_aops = {
struct address_space *swapper_spaces[MAX_SWAPFILES] __read_mostly; struct address_space *swapper_spaces[MAX_SWAPFILES] __read_mostly;
static unsigned int nr_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_WIN_SHIFT (PAGE_SHIFT / 2)
#define SWAP_RA_HITS_MASK ((1UL << SWAP_RA_WIN_SHIFT) - 1) #define SWAP_RA_HITS_MASK ((1UL << SWAP_RA_WIN_SHIFT) - 1)
...@@ -733,8 +733,8 @@ static void swap_ra_info(struct vm_fault *vmf, ...@@ -733,8 +733,8 @@ static void swap_ra_info(struct vm_fault *vmf,
pte_unmap(orig_pte); pte_unmap(orig_pte);
} }
struct page *swap_vma_readahead(swp_entry_t fentry, gfp_t gfp_mask, static struct page *swap_vma_readahead(swp_entry_t fentry, gfp_t gfp_mask,
struct vm_fault *vmf) struct vm_fault *vmf)
{ {
struct blk_plug plug; struct blk_plug plug;
struct vm_area_struct *vma = vmf->vma; struct vm_area_struct *vma = vmf->vma;
......
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