| Message ID | 20181129181048.11010-1-mhocko@kernel.org (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | madvise.2: MADV_FREE clarify swapless behavior | expand |
On 11/29/18 7:10 PM, mhocko@kernel.org wrote: > From: Michal Hocko <mhocko@suse.com> > > 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. Thanks, Michal (and Niklas). Patch applied. Cheers, Michael > Reported-by: Niklas Hambüchen <mail@nh2.me> > --- > 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)" >
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)"
From: Michal Hocko <mhocko@suse.com> 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@nh2.me> --- man2/madvise.2 | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)