Use a per cpu pool cache for pmap_pv_pool

Improves performance on my 8 cores box.  ok cheloha@ kettenis@

diff --git a/sys/arch/amd64/amd64/pmap.c b/sys/arch/amd64/amd64/pmap.c
index a5d2e90..1886ef8 100644 (file)
--- a/sys/arch/amd64/amd64/pmap.c
+++ b/sys/arch/amd64/amd64/pmap.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: pmap.c,v 1.164 2023/04/13 15:23:21 miod Exp $ */
+/*     $OpenBSD: pmap.c,v 1.165 2023/12/29 13:23:27 jca Exp $  */
 /*     $NetBSD: pmap.c,v 1.3 2003/05/08 18:13:13 thorpej Exp $ */
 
 /*
@@ -913,6 +913,12 @@ pmap_bootstrap(paddr_t first_avail, paddr_t max_pa)
        return first_avail;
 }
 
+void
+pmap_init_percpu(void)
+{
+       pool_cache_init(&pmap_pv_pool);
+}
+
 /*
  * pmap_randomize
  *

diff --git a/sys/arch/amd64/include/pmap.h b/sys/arch/amd64/include/pmap.h
index 18b8779..326050f 100644 (file)
--- a/sys/arch/amd64/include/pmap.h
+++ b/sys/arch/amd64/include/pmap.h
@@ -1,4 +1,4 @@
-/*     $OpenBSD: pmap.h,v 1.87 2023/12/11 22:12:52 kettenis Exp $      */
+/*     $OpenBSD: pmap.h,v 1.88 2023/12/29 13:23:28 jca Exp $   */
 /*     $NetBSD: pmap.h,v 1.1 2003/04/26 18:39:46 fvdl Exp $    */
 
 /*
@@ -375,7 +375,6 @@ extern const long nbpd[], nkptpmax[];
 #define pmap_valid_entry(E)            ((E) & PG_V) /* is PDE or PTE valid? */
 
 #define pmap_proc_iflush(p,va,len)     /* nothing */
-#define pmap_init_percpu()             do { /* nothing */ } while (0)
 #define pmap_unuse_final(p)            /* nothing */
 #define        pmap_remove_holes(vm)           do { /* nothing */ } while (0)
 
@@ -386,6 +385,7 @@ extern const long nbpd[], nkptpmax[];
 
 void           map_tramps(void);       /* machdep.c */
 paddr_t                pmap_bootstrap(paddr_t, paddr_t);
+void           pmap_init_percpu(void);
 void           pmap_randomize(void);
 void           pmap_randomize_level(pd_entry_t *, int);
 int            pmap_clear_attrs(struct vm_page *, unsigned long);