On 3/11/25 8:36 AM, Michal Koutný wrote:
There is MPOL_INTERLEAVE for user explicit allocations.
Deprecate spreading of allocations that users carry out unwittingly.
Use straight warning level for slab spreading since such a knob is
unnecessarily intertwined with slab allocator.
Signed-off-by: Michal Koutný <mkoutny@xxxxxxxx>
---
kernel/cgroup/cpuset-v1.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/kernel/cgroup/cpuset-v1.c b/kernel/cgroup/cpuset-v1.c
index 9d47b20c03c4b..fea8a0cb7ae1d 100644
--- a/kernel/cgroup/cpuset-v1.c
+++ b/kernel/cgroup/cpuset-v1.c
@@ -441,9 +441,11 @@ static int cpuset_write_u64(struct cgroup_subsys_state *css, struct cftype *cft,
cpuset_memory_pressure_enabled = !!val;
break;
case FILE_SPREAD_PAGE:
+ pr_info_once("cpuset.%s is deprecated\n", cft->name);
retval = cpuset_update_flag(CS_SPREAD_PAGE, cs, val);
break;
case FILE_SPREAD_SLAB:
+ pr_warn_once("cpuset.%s is deprecated\n", cft->name);
retval = cpuset_update_flag(CS_SPREAD_SLAB, cs, val);
break;
default:
Acked-by: Waiman Long <longman@xxxxxxxxxx>
