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mm/readahead.c: fix incorrect comments for get_init_ra_size

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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@wangsu.com
Signed-off-by: Lin Feng <linf@wangsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Lin Feng 2021-11-05 13:43:47 -07:00 committed by Linus Torvalds
parent 8468e937df
commit fb25a77dde
1 changed files with 1 additions and 1 deletions
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mm/readahead.c
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@ -309,7 +309,7 @@ void force_page_cache_ra(struct readahead_control *ractl,
* 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)
{