redonkable
/
alistair23-linux
1
0
Fork 0
Code Releases Activity

Documentation/infiniband: update from locked to pinned_vm 

We are really talking about pinned_vm here.

Signed-off-by: Davidlohr Bueso <dbueso@suse.de>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
hifive-unleashed-5.1
Davidlohr Bueso 2019-02-06 17:31:55 -08:00 committed by Jason Gunthorpe
parent b95df5e3e4
commit 1a7a05e88f
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
Documentation/infiniband/user_verbs.txt
View File

@ -46,11 +46,11 @@ Memory pinning
I/O targets be kept resident at the same physical address. The I/O targets be kept resident at the same physical address. The
ib_uverbs module manages pinning and unpinning memory regions via ib_uverbs module manages pinning and unpinning memory regions via
get_user_pages() and put_page() calls. It also accounts for the 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. unprivileged processes do not exceed their RLIMIT_MEMLOCK limit.
Pages that are pinned multiple times are counted each time they are 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. number of pages pinned by a process.
/dev files /dev files