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Argh, I didn't get this test right when I converted it. Break this up

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into two separate if's instead of nested if's.  Also, reorder things
slightly to avoid unnecessary mutex operations.
This commit is contained in:
jhb 2001-01-24 12:23:17 +00:00
parent 5927ef8ddc
commit c5cc2f8e26
1 changed files with 9 additions and 10 deletions
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19
sys/vm/vm_glue.c
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@ -448,20 +448,19 @@ int action;
struct vmspace *vm;
PROC_LOCK(p);
if (!(p->p_lock == 0 &&
(p->p_flag & (P_TRACED|P_SYSTEM|P_WEXIT)) == 0)) {
mtx_enter(&sched_lock, MTX_SPIN);
if ((p->p_sflag & (PS_INMEM|PS_SWAPPING)) == PS_INMEM) {
mtx_exit(&sched_lock, MTX_SPIN);
PROC_UNLOCK(p);
continue;
}
mtx_exit(&sched_lock, MTX_SPIN);
if (p->p_lock != 0 ||
(p->p_flag & (P_TRACED|P_SYSTEM|P_WEXIT)) != 0) {
PROC_UNLOCK(p);
continue;
}
vm = p->p_vmspace;
PROC_UNLOCK(p);
mtx_enter(&sched_lock, MTX_SPIN);
if ((p->p_sflag & (PS_INMEM|PS_SWAPPING)) != PS_INMEM) {
mtx_exit(&sched_lock, MTX_SPIN);
continue;
}
switch (p->p_stat) {
default:
mtx_exit(&sched_lock, MTX_SPIN);