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(parent: dbd8d22) | patch
bpf: Only allocate one bpf_mem_cache for bpf_cpumask_ma
authorHou Tao <houtao1@huawei.com>
Thu, 16 Feb 2023 02:48:21 +0000 (10:48 +0800)
committerAlexei Starovoitov <ast@kernel.org>
Wed, 22 Feb 2023 20:59:32 +0000 (12:59 -0800)
commit5d5de3a431d87ac51d43da8d796891d014975ab7
treed9c0e756cf0fc202271c07a39b9ea57030da69dbtree | snapshot
parentdbd8d22863e83ee2834642e4cfd3bdacb8a1c975commit | diff
bpf: Only allocate one bpf_mem_cache for bpf_cpumask_ma

The size of bpf_cpumask is fixed, so there is no need to allocate many
bpf_mem_caches for bpf_cpumask_ma, just one bpf_mem_cache is enough.
Also add comments for bpf_mem_alloc_init() in bpf_mem_alloc.h to prevent
future miuse.

Signed-off-by: Hou Tao <houtao1@huawei.com>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Link: https://lore.kernel.org/r/20230216024821.2202916-1-houtao@huaweicloud.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
include/linux/bpf_mem_alloc.h diff | blob | blame | history
kernel/bpf/cpumask.c diff | blob | blame | history
Mirror https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git