diff options
| author | Jan Kara <jack@suse.cz> | 2024-06-25 12:18:56 +0200 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2024-07-03 19:30:27 -0700 |
| commit | 8eaf93ac70f3e1bbbe7e28a4f34289ef2d0d0bef (patch) | |
| tree | 41689fb0f64b5691d143fe7cd4fe193545402298 /mm/readahead.c | |
| parent | bb82ac31ddcedd6a1e6ee30b7afec7acdef811e1 (diff) | |
readahead: drop dead code in page_cache_ra_order()
page_cache_ra_order() scales folio order down so that is fully fits within
readahead window. Thus the code handling the case where we walked past
the readahead window is a dead code. Remove it.
Link: https://lkml.kernel.org/r/20240625101909.12234-6-jack@suse.cz
Signed-off-by: Jan Kara <jack@suse.cz>
Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Tested-by: Zhang Peng <zhangpengpeng0808@gmail.com>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm/readahead.c')
| -rw-r--r-- | mm/readahead.c | 5 |
1 files changed, 0 insertions, 5 deletions
diff --git a/mm/readahead.c b/mm/readahead.c index 455edafebb07..9ea5125a0dce 100644 --- a/mm/readahead.c +++ b/mm/readahead.c @@ -525,11 +525,6 @@ void page_cache_ra_order(struct readahead_control *ractl, index += 1UL << order; } - if (index > limit) { - ra->size += index - limit - 1; - ra->async_size += index - limit - 1; - } - read_pages(ractl); filemap_invalidate_unlock_shared(mapping); memalloc_nofs_restore(nofs); |