From: Michal Hocko <mhocko@xxxxxxxx>
Since 93e06c7a6453 ("mm: enable MADV_FREE for swapless system") we
handle MADV_FREE on a swapless system the same way as with the swap
available. Clarify that fact in the man page.
Reported-by: Niklas Hambüchen <mail@xxxxxx>
---
man2/madvise.2 | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/man2/madvise.2 b/man2/madvise.2
index eb82a57a1cf5..d9135a05a1c2 100644
--- a/man2/madvise.2
+++ b/man2/madvise.2
@@ -403,7 +403,7 @@ The
operation
can be applied only to private anonymous pages (see
.BR mmap (2)).
-On a swapless system, freeing pages in a given range happens instantly,
+Prior to 4.12 on a swapless system, freeing pages in a given range happens instantly,
regardless of memory pressure.
.TP
.BR MADV_WIPEONFORK " (since Linux 4.14)"
--
2.19.1
