diff options
Diffstat (limited to 'kernel/cgroup/cpuset-internal.h')
| -rw-r--r-- | kernel/cgroup/cpuset-internal.h | 19 |
1 files changed, 11 insertions, 8 deletions
diff --git a/kernel/cgroup/cpuset-internal.h b/kernel/cgroup/cpuset-internal.h index 976a8bc3ff60..01976c8e7d49 100644 --- a/kernel/cgroup/cpuset-internal.h +++ b/kernel/cgroup/cpuset-internal.h @@ -33,11 +33,11 @@ enum prs_errcode { PERR_CPUSEMPTY, PERR_HKEEPING, PERR_ACCESS, + PERR_REMOTE, }; /* bits in struct cpuset flags field */ typedef enum { - CS_ONLINE, CS_CPU_EXCLUSIVE, CS_MEM_EXCLUSIVE, CS_MEM_HARDWALL, @@ -155,13 +155,17 @@ struct cpuset { /* for custom sched domain */ int relax_domain_level; - /* number of valid local child partitions */ - int nr_subparts; - /* partition root state */ int partition_root_state; /* + * Whether cpuset is a remote partition. + * It used to be a list anchoring all remote partitions — we can switch back + * to a list if we need to iterate over the remote partitions. + */ + bool remote_partition; + + /* * number of SCHED_DEADLINE tasks attached to this cpuset, so that we * know when to rebuild associated root domain bandwidth information. */ @@ -175,9 +179,6 @@ struct cpuset { /* Handle for cpuset.cpus.partition */ struct cgroup_file partition_file; - /* Remote partition silbling list anchored at remote_children */ - struct list_head remote_sibling; - /* Used to merge intersecting subsets for generate_sched_domains */ struct uf_node node; }; @@ -201,7 +202,7 @@ static inline struct cpuset *parent_cs(struct cpuset *cs) /* convenient tests for these bits */ static inline bool is_cpuset_online(struct cpuset *cs) { - return test_bit(CS_ONLINE, &cs->flags) && !css_is_dying(&cs->css); + return css_is_online(&cs->css) && !css_is_dying(&cs->css); } static inline int is_cpu_exclusive(const struct cpuset *cs) @@ -276,6 +277,8 @@ int cpuset_update_flag(cpuset_flagbits_t bit, struct cpuset *cs, int turning_on) ssize_t cpuset_write_resmask(struct kernfs_open_file *of, char *buf, size_t nbytes, loff_t off); int cpuset_common_seq_show(struct seq_file *sf, void *v); +void cpuset_full_lock(void); +void cpuset_full_unlock(void); /* * cpuset-v1.c |