From: "Michal Koutný" <mkoutny@suse.com>
To: cgroups@vger.kernel.org, linux-block@vger.kernel.org,
linux-kernel@vger.kernel.org
Cc: "Tejun Heo" <tj@kernel.org>, "Josef Bacik" <josef@toxicpanda.com>,
"Jens Axboe" <axboe@kernel.dk>,
"Johannes Weiner" <hannes@cmpxchg.org>,
"Michal Koutný" <mkoutny@suse.com>,
"Waiman Long" <longman@redhat.com>
Subject: [PATCH 2/9] cgroup/cpuset-v1: Add deprecation warnings to memory_spread_page and memory_spread_slab
Date: Tue, 4 Mar 2025 16:37:54 +0100 [thread overview]
Message-ID: <20250304153801.597907-3-mkoutny@suse.com> (raw)
In-Reply-To: <20250304153801.597907-1-mkoutny@suse.com>
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 --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:
--
2.48.1
next prev parent reply other threads:[~2025-03-04 15:38 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-03-04 15:37 [PATCH 0/9] cgroup v1 deprecation warnings Michal Koutný
2025-03-04 15:37 ` [PATCH 1/9] cgroup/cpuset-v1: Add deprecation warnings to sched_load_balance and memory_pressure_enabled Michal Koutný
2025-03-04 16:19 ` Waiman Long
2025-03-04 16:52 ` Tejun Heo
2025-03-04 17:10 ` Michal Koutný
2025-03-04 17:33 ` Waiman Long
2025-03-04 18:04 ` Tejun Heo
2025-03-05 10:12 ` Michal Koutný
2025-03-05 18:39 ` Tejun Heo
2025-03-04 15:37 ` Michal Koutný [this message]
2025-03-04 15:37 ` [PATCH 3/9] cgroup/blkio: Add deprecation warnings to reset_stats Michal Koutný
2025-03-04 15:37 ` [PATCH 4/9] cgroup: Print warning when /proc/cgroups is read on v2-only system Michal Koutný
2025-03-04 16:55 ` Tejun Heo
2025-03-05 10:17 ` Michal Koutný
2025-03-05 16:27 ` Waiman Long
2025-03-04 15:37 ` [PATCH 5/9] RFC cgroup/cpuset-v1: Add deprecation warnings to mem_exclusive and mem_hardwall Michal Koutný
2025-03-04 15:37 ` [PATCH 6/9] RFC cgroup/cpuset-v1: Add deprecation warnings to memory_migrate Michal Koutný
2025-03-04 15:37 ` [PATCH 7/9] RFC cgroup/cpuset-v1: Add deprecation warnings to sched_relax_domain_level Michal Koutný
2025-03-04 15:38 ` [PATCH 8/9] cgroup: Update file naming comment Michal Koutný
2025-03-04 15:38 ` [PATCH 9/9] blk-cgroup: Simplify policy files registration Michal Koutný
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