Index: sys/kern/kern_sendfile.c
===================================================================
--- sys/kern/kern_sendfile.c
+++ sys/kern/kern_sendfile.c
@@ -52,6 +52,8 @@
 #include <sys/vnode.h>
 
 #include <net/vnet.h>
+#include <netinet/in.h>
+#include <netinet/in_pcb.h>
 
 #include <security/audit/audit.h>
 #include <security/mac/mac_framework.h>
@@ -317,7 +319,7 @@
  */
 static int
 sendfile_swapin(vm_object_t obj, struct sf_io *sfio, off_t off, off_t len,
-    int npages, int rhpages, int flags)
+    int npages, int rhpages, int flags, int domain)
 {
 	vm_page_t *pa = sfio->pa;
 	int grabbed, nios;
@@ -331,8 +333,13 @@
 	 */
 	VM_OBJECT_WLOCK(obj);
 
-	grabbed = vm_page_grab_pages(obj, OFF_TO_IDX(off),
-	    VM_ALLOC_NORMAL | VM_ALLOC_WIRED | flags, pa, npages);
+	if (domain != M_NODOM)
+		grabbed = vm_page_grab_pages_domain(obj, OFF_TO_IDX(off),
+		    VM_ALLOC_NORMAL | VM_ALLOC_WIRED | flags, pa, npages, domain);
+	else
+		grabbed = vm_page_grab_pages(obj, OFF_TO_IDX(off),
+		    VM_ALLOC_NORMAL | VM_ALLOC_WIRED | flags, pa, npages);
+
 	if (grabbed < npages) {
 		for (int i = grabbed; i < npages; i++)
 			pa[i] = NULL;
@@ -545,8 +552,9 @@
 	struct shmfd *shmfd;
 	struct sendfile_sync *sfs;
 	struct vattr va;
+	struct inpcb *inp;
 	off_t off, sbytes, rem, obj_size;
-	int error, softerr, bsize, hdrlen;
+	int domain, error, softerr, bsize, hdrlen;
 
 	obj = NULL;
 	so = NULL;
@@ -563,6 +571,11 @@
 	if (error != 0)
 		goto out;
 
+	inp = sotoinpcb(so);
+	if (inp != NULL)
+		domain = inp->inp_numa_domain;
+	else
+		domain = M_NODOM;
 #ifdef MAC
 	error = mac_socket_check_send(td->td_ucred, so);
 	if (error != 0)
@@ -743,8 +756,12 @@
 		sfio->so = so;
 		sfio->error = 0;
 
+		/*
+		 * If these pages are private, then put them on the
+		 * correct numa domain for this connection
+		 */
 		nios = sendfile_swapin(obj, sfio, off, space, npages, rhpages,
-		    flags);
+		    flags, (flags & SF_NOCACHE) ? domain : M_NODOM);
 
 		/*
 		 * Loop and construct maximum sized mbuf chain to be bulk
Index: sys/vm/vm_page.h
===================================================================
--- sys/vm/vm_page.h
+++ sys/vm/vm_page.h
@@ -537,6 +537,8 @@
 vm_page_t vm_page_grab (vm_object_t, vm_pindex_t, int);
 int vm_page_grab_pages(vm_object_t object, vm_pindex_t pindex, int allocflags,
     vm_page_t *ma, int count);
+int vm_page_grab_pages_domain(vm_object_t object, vm_pindex_t pindex, int allocflags,
+    vm_page_t *ma, int count, int domain);
 void vm_page_deactivate(vm_page_t);
 void vm_page_deactivate_noreuse(vm_page_t);
 void vm_page_dequeue(vm_page_t m);
Index: sys/vm/vm_page.c
===================================================================
--- sys/vm/vm_page.c
+++ sys/vm/vm_page.c
@@ -3955,8 +3955,8 @@
  * may return a partial prefix of the requested range.
  */
 int
-vm_page_grab_pages(vm_object_t object, vm_pindex_t pindex, int allocflags,
-    vm_page_t *ma, int count)
+vm_page_grab_pages_domain(vm_object_t object, vm_pindex_t pindex, int allocflags,
+    vm_page_t *ma, int count, int domain)
 {
 	vm_page_t m, mpred;
 	int pflags;
@@ -4017,8 +4017,13 @@
 			if ((allocflags & VM_ALLOC_SBUSY) != 0)
 				vm_page_sbusy(m);
 		} else {
-			m = vm_page_alloc_after(object, pindex + i,
-			    pflags | VM_ALLOC_COUNT(count - i), mpred);
+			if (domain != -1)
+				m = vm_page_alloc_domain_after(object,
+				    pindex + i, domain,
+				    pflags | VM_ALLOC_COUNT(count - i), mpred);
+			else
+				m = vm_page_alloc_after(object, pindex + i,
+				    pflags | VM_ALLOC_COUNT(count - i), mpred);
 			if (m == NULL) {
 				if ((allocflags & VM_ALLOC_NOWAIT) != 0)
 					break;
@@ -4035,7 +4040,13 @@
 	}
 	return (i);
 }
-
+int
+vm_page_grab_pages(vm_object_t object, vm_pindex_t pindex, int allocflags,
+    vm_page_t *ma, int count)
+{
+	return (vm_page_grab_pages_domain(object, pindex, allocflags,
+		ma, count, -1));
+}
 /*
  * Mapping function for valid or dirty bits in a page.
  *