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| author | Minchan Kim <minchan@kernel.org> | 2018-04-05 16:23:42 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2018-04-05 21:36:25 -0700 |
| commit | e9e9b7ecee4a139a6fbe2e15ef224ca6b6c47d57 (patch) | |
| tree | 179430c7efc50a0da618934d117b152258e82353 /mm/memory.c | |
| parent | eaf649ebc3acfbb235ce31cebd06e4876d05758e (diff) | |
| download | linux-stable-e9e9b7ecee4a139a6fbe2e15ef224ca6b6c47d57.tar.gz linux-stable-e9e9b7ecee4a139a6fbe2e15ef224ca6b6c47d57.tar.bz2 linux-stable-e9e9b7ecee4a139a6fbe2e15ef224ca6b6c47d57.zip | |
mm: swap: unify cluster-based and vma-based swap readahead
This patch makes do_swap_page() not need to be aware of two different
swap readahead algorithms. Just unify cluster-based and vma-based
readahead function call.
Link: http://lkml.kernel.org/r/1509520520-32367-3-git-send-email-minchan@kernel.org
Link: http://lkml.kernel.org/r/20180220085249.151400-3-minchan@kernel.org
Signed-off-by: Minchan Kim <minchan@kernel.org>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Hugh Dickins <hughd@google.com>
Cc: Huang Ying <ying.huang@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/memory.c')
| -rw-r--r-- | mm/memory.c | 11 |
1 files changed, 4 insertions, 7 deletions
diff --git a/mm/memory.c b/mm/memory.c index bc1ccff79538..01f5464e0fd2 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -2927,7 +2927,8 @@ int do_swap_page(struct vm_fault *vmf) if (si->flags & SWP_SYNCHRONOUS_IO && __swap_count(si, entry) == 1) { /* skip swapcache */ - page = alloc_page_vma(GFP_HIGHUSER_MOVABLE, vma, vmf->address); + page = alloc_page_vma(GFP_HIGHUSER_MOVABLE, vma, + vmf->address); if (page) { __SetPageLocked(page); __SetPageSwapBacked(page); @@ -2936,12 +2937,8 @@ int do_swap_page(struct vm_fault *vmf) swap_readpage(page, true); } } else { - if (swap_use_vma_readahead()) - page = do_swap_page_readahead(entry, - GFP_HIGHUSER_MOVABLE, vmf); - else - page = swapin_readahead(entry, - GFP_HIGHUSER_MOVABLE, vma, vmf->address); + page = swapin_readahead(entry, GFP_HIGHUSER_MOVABLE, + vmf); swapcache = page; } |