We've removed the SLAG allocator, cpuset_do_slab_mem_spread() and SLAB_MEM_SPREAD, memory_spread_slab is a no-op now. We can mark memory_spread_slab as obsolete in case someone still wants to use it after cpuset_do_slab_mem_spread() removed. For more details, please check [1]. [1] https://lore.kernel.org/lkml/32bc1403-49da-445a-8c00-9686a3b0d6a3@xxxxxxxxxx/T/#m8e292e21b00f95a4bb8086371fa7387fa4ea8f60 Signed-off-by: Xiongwei Song <xiongwei.song@xxxxxxxxxxxxx> --- Documentation/admin-guide/cgroup-v1/cpusets.rst | 2 +- kernel/cgroup/cpuset.c | 3 +++ 2 files changed, 4 insertions(+), 1 deletion(-) diff --git a/Documentation/admin-guide/cgroup-v1/cpusets.rst b/Documentation/admin-guide/cgroup-v1/cpusets.rst index ae646d621a8a..88d0e7fa2ee0 100644 --- a/Documentation/admin-guide/cgroup-v1/cpusets.rst +++ b/Documentation/admin-guide/cgroup-v1/cpusets.rst @@ -179,7 +179,7 @@ files describing that cpuset: - cpuset.mem_hardwall flag: is memory allocation hardwalled - cpuset.memory_pressure: measure of how much paging pressure in cpuset - cpuset.memory_spread_page flag: if set, spread page cache evenly on allowed nodes - - cpuset.memory_spread_slab flag: if set, spread slab cache evenly on allowed nodes + - cpuset.memory_spread_slab flag: IT'S OBSOLETE. Please don't use it anymore - cpuset.sched_load_balance flag: if set, load balance within CPUs on that cpuset - cpuset.sched_relax_domain_level: the searching range when migrating tasks diff --git a/kernel/cgroup/cpuset.c b/kernel/cgroup/cpuset.c index ba36c073304a..728d06fe9382 100644 --- a/kernel/cgroup/cpuset.c +++ b/kernel/cgroup/cpuset.c @@ -3897,6 +3897,9 @@ static struct cftype legacy_files[] = { }, { + /* It's obsolete. Please don't use it anymore. We will remove it + * in the future. + */ .name = "memory_spread_slab", .read_u64 = cpuset_read_u64, .write_u64 = cpuset_write_u64, -- 2.43.0
