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-rw-r--r--mm/filemap.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/mm/filemap.c b/mm/filemap.c
index 827536485599..99977f0a94e4 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -1472,7 +1472,8 @@ static void do_sync_mmap_readahead(struct vm_area_struct *vma,
if (VM_RandomReadHint(vma))
return;
- if (VM_SequentialReadHint(vma)) {
+ if (VM_SequentialReadHint(vma) ||
+ offset - 1 == (ra->prev_pos >> PAGE_CACHE_SHIFT)) {
page_cache_sync_readahead(mapping, ra, file, offset, 1);
return;
}