diff options
Diffstat (limited to 'mm/fadvise.c')
| -rw-r--r-- | mm/fadvise.c | 16 |
1 files changed, 7 insertions, 9 deletions
diff --git a/mm/fadvise.c b/mm/fadvise.c index fb7c5f43fd2a..f684ffd7f9c9 100644 --- a/mm/fadvise.c +++ b/mm/fadvise.c @@ -143,7 +143,7 @@ int generic_fadvise(struct file *file, loff_t offset, loff_t len, int advice) } if (end_index >= start_index) { - unsigned long nr_pagevec = 0; + unsigned long nr_failed = 0; /* * It's common to FADV_DONTNEED right after @@ -156,17 +156,15 @@ int generic_fadvise(struct file *file, loff_t offset, loff_t len, int advice) */ lru_add_drain(); - invalidate_mapping_pagevec(mapping, - start_index, end_index, - &nr_pagevec); + mapping_try_invalidate(mapping, start_index, end_index, + &nr_failed); /* - * If fewer pages were invalidated than expected then - * it is possible that some of the pages were on - * a per-cpu pagevec for a remote CPU. Drain all - * pagevecs and try again. + * The failures may be due to the folio being + * in the LRU cache of a remote CPU. Drain all + * caches and try again. */ - if (nr_pagevec) { + if (nr_failed) { lru_add_drain_all(); invalidate_mapping_pages(mapping, start_index, end_index); |