From: Lin Feng <linf@xxxxxxxxxx> Subject: mm/readahead.c: fix incorrect comments for get_init_ra_size In fact, formated values returned by get_init_ra_size are not that intuitive. This patch make the comments reflect its truth. Link: https://lkml.kernel.org/r/20211019104812.135602-1-linf@xxxxxxxxxx Signed-off-by: Lin Feng <linf@xxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- mm/readahead.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/mm/readahead.c~mm-readaheadc-fix-incorrect-comments-for-get_init_ra_size +++ a/mm/readahead.c @@ -309,7 +309,7 @@ void force_page_cache_ra(struct readahea * Set the initial window size, round to next power of 2 and square * for small size, x 4 for medium, and x 2 for large * for 128k (32 page) max ra - * 1-8 page = 32k initial, > 8 page = 128k initial + * 1-2 page = 16k, 3-4 page 32k, 5-8 page = 64k, > 8 page = 128k initial */ static unsigned long get_init_ra_size(unsigned long size, unsigned long max) { _
