diff mbox series

[2/9] cgroup/cpuset-v1: Add deprecation warnings to memory_spread_page and memory_spread_slab

Message ID 20250304153801.597907-3-mkoutny@suse.com (mailing list archive)
State New
Headers show
Series cgroup v1 deprecation warnings | expand

Checks

Context Check Description
shin/vmtest-linus-master-PR success PR summary
shin/vmtest-linus-master-VM_Test-0 success Logs for build-kernel

Commit Message

Michal Koutný March 4, 2025, 3:37 p.m. UTC 
There is MPOL_INTERLEAVE for user explicit allocations.
Deprecate spreading of allocations that users carry out unwittingly.

Signed-off-by: Michal Koutný <mkoutny@suse.com>
---
 kernel/cgroup/cpuset-v1.c | 2 ++
 1 file changed, 2 insertions(+)
diff mbox series

Patch

diff --git a/kernel/cgroup/cpuset-v1.c b/kernel/cgroup/cpuset-v1.c
index 3e81ac76578c7..9aae6dabb0b56 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_warn_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: