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| author | David Rientjes <rientjes@google.com> | 2015-09-08 15:00:36 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2015-09-08 15:35:28 -0700 |
| commit | 6e0fc46dc2152d3e2d25a5d5b640ae3586c247c6 (patch) | |
| tree | 9e519cc7a04ee878c53a045514c83c079bdefa7a /drivers/tty/sysrq.c | |
| parent | 2c0b80d463c6ade539d51ad03bc7c41849fb37e8 (diff) | |
| download | lwn-6e0fc46dc2152d3e2d25a5d5b640ae3586c247c6.tar.gz lwn-6e0fc46dc2152d3e2d25a5d5b640ae3586c247c6.zip | |
mm, oom: organize oom context into struct
There are essential elements to an oom context that are passed around to
multiple functions.
Organize these elements into a new struct, struct oom_control, that
specifies the context for an oom condition.
This patch introduces no functional change.
Signed-off-by: David Rientjes <rientjes@google.com>
Acked-by: Michal Hocko <mhocko@suse.cz>
Cc: Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/tty/sysrq.c')
| -rw-r--r-- | drivers/tty/sysrq.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/drivers/tty/sysrq.c b/drivers/tty/sysrq.c index b5b427888b24..ed3e258f4ee9 100644 --- a/drivers/tty/sysrq.c +++ b/drivers/tty/sysrq.c @@ -353,9 +353,17 @@ static struct sysrq_key_op sysrq_term_op = { static void moom_callback(struct work_struct *ignored) { + const gfp_t gfp_mask = GFP_KERNEL; + struct oom_control oc = { + .zonelist = node_zonelist(first_memory_node, gfp_mask), + .nodemask = NULL, + .gfp_mask = gfp_mask, + .order = 0, + .force_kill = true, + }; + mutex_lock(&oom_lock); - if (!out_of_memory(node_zonelist(first_memory_node, GFP_KERNEL), - GFP_KERNEL, 0, NULL, true)) + if (!out_of_memory(&oc)) pr_info("OOM request ignored because killer is disabled\n"); mutex_unlock(&oom_lock); } |