diff options
Diffstat (limited to 'sys/vm/vm_domain.c')
| -rw-r--r-- | sys/vm/vm_domain.c | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/sys/vm/vm_domain.c b/sys/vm/vm_domain.c index 83814d5..c042aa7 100644 --- a/sys/vm/vm_domain.c +++ b/sys/vm/vm_domain.c @@ -62,7 +62,7 @@ __FBSDID("$FreeBSD$"); #include <vm/vm_domain.h> static __inline int -vm_domain_rr_selectdomain(void) +vm_domain_rr_selectdomain(int skip_domain) { #if MAXMEMDOM > 1 struct thread *td; @@ -71,6 +71,16 @@ vm_domain_rr_selectdomain(void) td->td_dom_rr_idx++; td->td_dom_rr_idx %= vm_ndomains; + + /* + * If skip_domain is provided then skip over that + * domain. This is intended for round robin variants + * which first try a fixed domain. + */ + if ((skip_domain > -1) && (td->td_dom_rr_idx == skip_domain)) { + td->td_dom_rr_idx++; + td->td_dom_rr_idx %= vm_ndomains; + } return (td->td_dom_rr_idx); #else return (0); @@ -339,12 +349,12 @@ vm_domain_iterator_run(struct vm_domain_iterator *vi, int *domain) if (vi->n == vm_ndomains) *domain = vi->domain; else - *domain = vm_domain_rr_selectdomain(); + *domain = vm_domain_rr_selectdomain(vi->domain); vi->n--; break; case VM_POLICY_ROUND_ROBIN: default: - *domain = vm_domain_rr_selectdomain(); + *domain = vm_domain_rr_selectdomain(-1); vi->n--; break; } |
