deliver data to non-atomic protocols in regular-sized chunks even on machines

without MAPPED_MBUFS, or TCP will send 968-byte packets

SCCS-vsn: sys/kern/uipc_socket.c 7.41

diff --git a/usr/src/sys/kern/uipc_socket.c b/usr/src/sys/kern/uipc_socket.c
index 1fe0c04..97ffdd9 100644 (file)
--- a/usr/src/sys/kern/uipc_socket.c
+++ b/usr/src/sys/kern/uipc_socket.c
@@ -4,7 +4,7 @@
  *
  * %sccs.include.redist.c%
  *
  *
  * %sccs.include.redist.c%
  *

- *     @(#)uipc_socket.c       7.40 (Berkeley) %G%
+ *     @(#)uipc_socket.c       7.41 (Berkeley) %G%

  */
 
 #include <sys/param.h>
  */
 
 #include <sys/param.h>


@@ -366,7 +366,7 @@ restart:
 #ifdef MAPPED_MBUFS
                                len = min(MCLBYTES, resid);
 #else
 #ifdef MAPPED_MBUFS
                                len = min(MCLBYTES, resid);
 #else

-                               if (top == 0) {
+                               if (atomic && top == 0) {

                                        len = min(MCLBYTES - max_hdr, resid);
                                        m->m_data += max_hdr;
                                } else
                                        len = min(MCLBYTES - max_hdr, resid);
                                        m->m_data += max_hdr;
                                } else