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-rw-r--r--mm/fadvise.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/mm/fadvise.c b/mm/fadvise.c
index 0e66f2aaeea3..d6baa4f451c5 100644
--- a/mm/fadvise.c
+++ b/mm/fadvise.c
@@ -141,7 +141,7 @@ int generic_fadvise(struct file *file, loff_t offset, loff_t len, int advice)
}
if (end_index >= start_index) {
- unsigned long count;
+ unsigned long nr_pagevec = 0;
/*
* It's common to FADV_DONTNEED right after
@@ -154,8 +154,9 @@ int generic_fadvise(struct file *file, loff_t offset, loff_t len, int advice)
*/
lru_add_drain();
- count = invalidate_mapping_pages(mapping,
- start_index, end_index);
+ invalidate_mapping_pagevec(mapping,
+ start_index, end_index,
+ &nr_pagevec);
/*
* If fewer pages were invalidated than expected then
@@ -163,7 +164,7 @@ int generic_fadvise(struct file *file, loff_t offset, loff_t len, int advice)
* a per-cpu pagevec for a remote CPU. Drain all
* pagevecs and try again.
*/
- if (count < (end_index - start_index + 1)) {
+ if (nr_pagevec) {
lru_add_drain_all();
invalidate_mapping_pages(mapping, start_index,
end_index);