Michal Mazurek wrote:
> On 17:19:39, 2.03.16, Martin Natano wrote:
> > On Wed, Mar 02, 2016 at 05:07:21PM +0100, Michal Mazurek wrote:
> > > kern_sched.c:
> > > - remove unused functions
> > > - mark static functions as static
> >
> > Functions shouldn't be static in the kernel. "In userland,
> > functions local to one source module should be declared ???static???. This
> > should not be done in kernel land since it makes it impossible to use the
> > kernel debugger." -- style(8)
>
> Oh, right.
>
> Remove cpuset_clear(), cpuset_add_all() and cpuset_union(), and move
> some declarations from proc.h to kern_sched.c.
ok mmcc@, pending an ok from someone who works with this code.
> Index: sys/kern/kern_sched.c
> ===================================================================
> RCS file: /cvs/src/sys/kern/kern_sched.c,v
> retrieving revision 1.41
> diff -u -p -r1.41 kern_sched.c
> --- sys/kern/kern_sched.c 23 Dec 2015 14:51:17 -0000 1.41
> +++ sys/kern/kern_sched.c 2 Mar 2016 16:37:18 -0000
> @@ -28,11 +28,18 @@
>
> #include <uvm/uvm_extern.h>
>
> -void sched_kthreads_create(void *);
> -
> -int sched_proc_to_cpu_cost(struct cpu_info *ci, struct proc *p);
> +void sched_kthreads_create(void *);
> +int sched_proc_to_cpu_cost(struct cpu_info *ci, struct proc *p);
> struct proc *sched_steal_proc(struct cpu_info *);
>
> +void cpuset_complement(struct cpuset *, struct cpuset *, struct cpuset *);
> +void cpuset_copy(struct cpuset *, struct cpuset *);
> +struct cpu_info *cpuset_first(struct cpuset *);
> +void cpuset_del(struct cpuset *, struct cpu_info *);
> +void cpuset_init_cpu(struct cpu_info *);
> +void cpuset_intersection(struct cpuset *t, struct cpuset *,
> + struct cpuset *);
> +
> /*
> * To help choosing which cpu should run which process we keep track
> * of cpus which are currently idle and which cpus have processes
> @@ -717,12 +724,6 @@ cpuset_init_cpu(struct cpu_info *ci)
> }
>
> void
> -cpuset_clear(struct cpuset *cs)
> -{
> - memset(cs, 0, sizeof(*cs));
> -}
> -
> -void
> cpuset_add(struct cpuset *cs, struct cpu_info *ci)
> {
> unsigned int num = CPU_INFO_UNIT(ci);
> @@ -744,12 +745,6 @@ cpuset_isset(struct cpuset *cs, struct c
> }
>
> void
> -cpuset_add_all(struct cpuset *cs)
> -{
> - cpuset_copy(cs, &cpuset_all);
> -}
> -
> -void
> cpuset_copy(struct cpuset *to, struct cpuset *from)
> {
> memcpy(to, from, sizeof(*to));
> @@ -765,15 +760,6 @@ cpuset_first(struct cpuset *cs)
> return (cpuset_infos[i * 32 + ffs(cs->cs_set[i]) - 1]);
>
> return (NULL);
> -}
> -
> -void
> -cpuset_union(struct cpuset *to, struct cpuset *a, struct cpuset *b)
> -{
> - int i;
> -
> - for (i = 0; i < CPUSET_ASIZE(ncpus); i++)
> - to->cs_set[i] = a->cs_set[i] | b->cs_set[i];
> }
>
> void
> Index: sys/sys/proc.h
> ===================================================================
> RCS file: /cvs/src/sys/sys/proc.h,v
> retrieving revision 1.213
> diff -u -p -r1.213 proc.h
> --- sys/sys/proc.h 6 Dec 2015 17:50:21 -0000 1.213
> +++ sys/sys/proc.h 2 Mar 2016 15:56:33 -0000
> @@ -205,9 +205,9 @@ struct process {
>
> struct uprof { /* profile arguments */
> caddr_t pr_base; /* buffer base */
> - size_t pr_size; /* buffer size */
> + size_t pr_size; /* buffer size */
> u_long pr_off; /* pc offset */
> - u_int pr_scale; /* pc scaling */
> + u_int pr_scale; /* pc scaling */
> } ps_prof;
>
> u_short ps_acflag; /* Accounting flags. */
> @@ -215,8 +215,8 @@ struct process {
> uint64_t ps_pledge;
> struct whitepaths *ps_pledgepaths;
>
> - int64_t ps_kbind_cookie;
> - u_long ps_kbind_addr;
> + int64_t ps_kbind_cookie;
> + u_long ps_kbind_addr;
>
> /* End area that is copied on creation. */
> #define ps_endcopy ps_refcnt
> @@ -255,7 +255,7 @@ struct process {
> #define PS_EMBRYO 0x00020000 /* New process, not yet fledged
> */
> #define PS_ZOMBIE 0x00040000 /* Dead and ready to be waited
> for */
> #define PS_NOBROADCASTKILL 0x00080000 /* Process excluded from kill
> -1. */
> -#define PS_PLEDGE 0x00100000 /* Has called pledge(2) */
> +#define PS_PLEDGE 0x00100000 /* Has called pledge(2) */
>
> #define PS_BITS \
> ("\20" "\01CONTROLT" "\02EXEC" "\03INEXEC" "\04EXITING" "\05SUGID" \
> @@ -380,12 +380,12 @@ struct proc {
> #define P_WEXIT 0x00002000 /* Working on exiting. */
> #define P_OWEUPC 0x00008000 /* Owe proc an addupc() at next
> ast. */
> #define P_SUSPSINGLE 0x00080000 /* Need to stop for single
> threading. */
> -#define P_SYSTRACE 0x00400000 /* Process system call tracing active*/
> -#define P_CONTINUED 0x00800000 /* Proc has continued from a stopped
> state. */
> +#define P_SYSTRACE 0x00400000 /* Process system call tracing
> active*/
> +#define P_CONTINUED 0x00800000 /* Proc has continued from a
> stopped state. */
> #define P_THREAD 0x04000000 /* Only a thread, not a real
> process */
> #define P_SUSPSIG 0x08000000 /* Stopped from signal. */
> #define P_SOFTDEP 0x10000000 /* Stuck processing softdep
> worklist */
> -#define P_CPUPEG 0x40000000 /* Do not move to another cpu. */
> +#define P_CPUPEG 0x40000000 /* Do not move to another cpu.
> */
>
> #define P_BITS \
> ("\20" "\01INKTR" "\02PROFPEND" "\03ALRMPEND" "\04SIGSUSPEND" \
> @@ -414,7 +414,7 @@ struct uidinfo *uid_find(uid_t);
> #define PID_MAX 32766
> #define NO_PID (PID_MAX+1)
>
> -#define SESS_LEADER(pr) ((pr)->ps_session->s_leader == (pr))
> +#define SESS_LEADER(pr) ((pr)->ps_session->s_leader == (pr))
> #define SESSHOLD(s) ((s)->s_count++)
> #define SESSRELE(s) do {
> \
> if (--(s)->s_count == 0) \
> @@ -558,19 +558,8 @@ struct cpuset {
> int cs_set[CPUSET_SSIZE];
> };
>
> -void cpuset_init_cpu(struct cpu_info *);
> -
> -void cpuset_clear(struct cpuset *);
> -void cpuset_add(struct cpuset *, struct cpu_info *);
> -void cpuset_del(struct cpuset *, struct cpu_info *);
> -int cpuset_isset(struct cpuset *, struct cpu_info *);
> -void cpuset_add_all(struct cpuset *);
> -void cpuset_copy(struct cpuset *, struct cpuset *);
> -void cpuset_union(struct cpuset *, struct cpuset *, struct cpuset *);
> -void cpuset_intersection(struct cpuset *t, struct cpuset *, struct cpuset *);
> -void cpuset_complement(struct cpuset *, struct cpuset *, struct cpuset *);
> -struct cpu_info *cpuset_first(struct cpuset *);
> +void cpuset_add(struct cpuset *, struct cpu_info *);
> +int cpuset_isset(struct cpuset *, struct cpu_info *);
>
> #endif /* _KERNEL */
> #endif /* !_SYS_PROC_H_ */
> -
>
> --
> Michal Mazurek
>