| Message ID | 20190207013155.lq5diwqc2svyt3t3@linux-r8p5 (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | mm: make pinned_vm atomic and simplify users | expand |
> -----Original Message----- > From: Davidlohr Bueso [mailto:dave@stgolabs.net] > Sent: Wednesday, February 06, 2019 5:32 PM > To: jgg@ziepe.ca; akpm@linux-foundation.org > Cc: dledford@redhat.com; jgg@mellanox.com; jack@suse.cz; > willy@infradead.org; Weiny, Ira <ira.weiny@intel.com>; linux- > rdma@vger.kernel.org; linux-mm@kvack.org; linux-kernel@vger.kernel.org > Subject: [PATCH 7/6] Documentation/infiniband: update from locked to > pinned_vm > > We are really talking about pinned_vm here. > > Signed-off-by: Davidlohr Bueso <dbueso@suse.de> Reviewed-by: Ira Weiny <ira.weiny@intel.com> > --- > Documentation/infiniband/user_verbs.txt | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/Documentation/infiniband/user_verbs.txt > b/Documentation/infiniband/user_verbs.txt > index df049b9f5b6e..47ebf2f80b2b 100644 > --- a/Documentation/infiniband/user_verbs.txt > +++ b/Documentation/infiniband/user_verbs.txt > @@ -46,11 +46,11 @@ Memory pinning > I/O targets be kept resident at the same physical address. The > ib_uverbs module manages pinning and unpinning memory regions via > get_user_pages() and put_page() calls. It also accounts for the > - amount of memory pinned in the process's locked_vm, and checks that > + amount of memory pinned in the process's pinned_vm, and checks that > unprivileged processes do not exceed their RLIMIT_MEMLOCK limit. > > Pages that are pinned multiple times are counted each time they are > - pinned, so the value of locked_vm may be an overestimate of the > + pinned, so the value of pinned_vm may be an overestimate of the > number of pages pinned by a process. > > /dev files > -- > 2.16.4
diff --git a/Documentation/infiniband/user_verbs.txt b/Documentation/infiniband/user_verbs.txt index df049b9f5b6e..47ebf2f80b2b 100644 --- a/Documentation/infiniband/user_verbs.txt +++ b/Documentation/infiniband/user_verbs.txt @@ -46,11 +46,11 @@ Memory pinning I/O targets be kept resident at the same physical address. The ib_uverbs module manages pinning and unpinning memory regions via get_user_pages() and put_page() calls. It also accounts for the - amount of memory pinned in the process's locked_vm, and checks that + amount of memory pinned in the process's pinned_vm, and checks that unprivileged processes do not exceed their RLIMIT_MEMLOCK limit. Pages that are pinned multiple times are counted each time they are - pinned, so the value of locked_vm may be an overestimate of the + pinned, so the value of pinned_vm may be an overestimate of the number of pages pinned by a process. /dev files
We are really talking about pinned_vm here. Signed-off-by: Davidlohr Bueso <dbueso@suse.de> --- Documentation/infiniband/user_verbs.txt | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)