diff --git a/sys/arm/arm/vm_machdep.c b/sys/arm/arm/vm_machdep.c
index 9b530ab0362b..05015e9dd860 100644
--- a/sys/arm/arm/vm_machdep.c
+++ b/sys/arm/arm/vm_machdep.c
@@ -175,7 +175,7 @@ sf_buf_free(struct sf_buf *sf)
 		 sf->m = NULL;
 		 LIST_REMOVE(sf, list_entry);
 		 if (sf_buf_alloc_want > 0)
-			 wakeup_one(&sf_buf_freelist);
+			 wakeup(&sf_buf_freelist);
 	 }
 	 mtx_unlock(&sf_buf_lock);				 
 #endif
diff --git a/sys/i386/i386/vm_machdep.c b/sys/i386/i386/vm_machdep.c
index 68e02feec998..232e1a1f308e 100644
--- a/sys/i386/i386/vm_machdep.c
+++ b/sys/i386/i386/vm_machdep.c
@@ -916,7 +916,7 @@ sf_buf_free(struct sf_buf *sf)
 		LIST_REMOVE(sf, list_entry);
 #endif
 		if (sf_buf_alloc_want > 0)
-			wakeup_one(&sf_buf_freelist);
+			wakeup(&sf_buf_freelist);
 	}
 	mtx_unlock(&sf_buf_lock);
 }
diff --git a/sys/mips/mips/vm_machdep.c b/sys/mips/mips/vm_machdep.c
index b4059e65f7fb..eb920906f086 100644
--- a/sys/mips/mips/vm_machdep.c
+++ b/sys/mips/mips/vm_machdep.c
@@ -528,7 +528,7 @@ sf_buf_free(struct sf_buf *sf)
 	SLIST_INSERT_HEAD(&sf_freelist.sf_head, sf, free_list);
 	nsfbufsused--;
 	if (sf_buf_alloc_want > 0)
-		wakeup_one(&sf_freelist);
+		wakeup(&sf_freelist);
 	mtx_unlock(&sf_freelist.sf_lock);
 }
 
diff --git a/sys/powerpc/aim/vm_machdep.c b/sys/powerpc/aim/vm_machdep.c
index 0f7d9892e24f..8deb8219f5ef 100644
--- a/sys/powerpc/aim/vm_machdep.c
+++ b/sys/powerpc/aim/vm_machdep.c
@@ -347,7 +347,7 @@ sf_buf_free(struct sf_buf *sf)
                 nsfbufsused--;
 
                 if (sf_buf_alloc_want > 0)
-                        wakeup_one(&sf_buf_freelist);
+                        wakeup(&sf_buf_freelist);
         }
         mtx_unlock(&sf_buf_lock);
 }
diff --git a/sys/powerpc/booke/vm_machdep.c b/sys/powerpc/booke/vm_machdep.c
index 8d36793cd80c..54a0b01dfa29 100644
--- a/sys/powerpc/booke/vm_machdep.c
+++ b/sys/powerpc/booke/vm_machdep.c
@@ -346,7 +346,7 @@ sf_buf_free(struct sf_buf *sf)
 		nsfbufsused--;
 
 		if (sf_buf_alloc_want > 0)
-			wakeup_one(&sf_buf_freelist);
+			wakeup(&sf_buf_freelist);
 	}
 	mtx_unlock(&sf_buf_lock);
 }
diff --git a/sys/sparc64/sparc64/vm_machdep.c b/sys/sparc64/sparc64/vm_machdep.c
index 1b9e123b5076..9aa9f843441c 100644
--- a/sys/sparc64/sparc64/vm_machdep.c
+++ b/sys/sparc64/sparc64/vm_machdep.c
@@ -483,7 +483,7 @@ sf_buf_free(struct sf_buf *sf)
 	SLIST_INSERT_HEAD(&sf_freelist.sf_head, sf, free_list);
 	nsfbufsused--;
 	if (sf_buf_alloc_want > 0)
-		wakeup_one(&sf_freelist);
+		wakeup(&sf_freelist);
 	mtx_unlock(&sf_freelist.sf_lock);
 }