X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/39236c6e673c41db228275375ab7fdb0f837b292..4bd07ac2140668789aa3ee8ec4dde4a3e0a3bba5:/bsd/dev/unix_startup.c

diff --git a/bsd/dev/unix_startup.c b/bsd/dev/unix_startup.c
index 0f36920f0..25c3610d0 100644
--- a/bsd/dev/unix_startup.c
+++ b/bsd/dev/unix_startup.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000-2010 Apple Inc. All rights reserved.
+ * Copyright (c) 2000-2014 Apple Inc. All rights reserved.
  *
  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  * 
@@ -52,6 +52,7 @@
 #include <pexpert/pexpert.h>
 #include <sys/socketvar.h>
 #include <pexpert/pexpert.h>
+#include <netinet/tcp_var.h>
 
 extern uint32_t kern_maxvnodes;
 extern vm_map_t mb_map;
@@ -62,7 +63,6 @@ extern uint32_t   tcp_recvspace;
 #endif
 
 void            bsd_bufferinit(void);
-extern void     md_prepare_for_shutdown(int, int, char *);
 
 unsigned int	bsd_mbuf_cluster_reserve(boolean_t *);
 void bsd_scale_setup(int);
@@ -140,7 +140,7 @@ bsd_startupearly(void)
 			    &firstaddr,
 			    size,
 			    FALSE,
-			    VM_FLAGS_ANYWHERE,
+			    VM_FLAGS_ANYWHERE | VM_MAKE_TAG(VM_KERN_MEMORY_FILE),
 			    &bufferhdr_map);
 
 	if (ret != KERN_SUCCESS)
@@ -150,7 +150,8 @@ bsd_startupearly(void)
 				     &firstaddr,
 				     size,
 				     0,
-				     KMA_HERE | KMA_KOBJECT);
+				     KMA_HERE | KMA_KOBJECT,
+				     VM_KERN_MEMORY_FILE);
 
 	if (ret != KERN_SUCCESS)
 		panic("Failed to allocate bufferhdr_map");
@@ -215,10 +216,10 @@ bsd_bufferinit(void)
 
 #if SOCKETS
 	ret = kmem_suballoc(kernel_map,
-			    (vm_offset_t *) & mbutl,
+			    (vm_offset_t *) &mbutl,
 			    (vm_size_t) (nmbclusters * MCLBYTES),
 			    FALSE,
-			    VM_FLAGS_ANYWHERE,
+			    VM_FLAGS_ANYWHERE | VM_MAKE_TAG(VM_KERN_MEMORY_MBUF),
 			    &mb_map);
 
 	if (ret != KERN_SUCCESS)
@@ -291,8 +292,8 @@ bsd_mbuf_cluster_reserve(boolean_t *overridden)
 				nmbclusters = MAX_NCL;
 		}
 
-		/* Round it down to nearest multiple of 4KB clusters */
-		nmbclusters = P2ROUNDDOWN(nmbclusters, NCLPBG);
+		/* Round it down to nearest multiple of PAGE_SIZE */
+		nmbclusters = P2ROUNDDOWN(nmbclusters, NCLPG);
 	}
 	mbuf_poolsz = nmbclusters << MCLSHIFT;
 done:
@@ -327,16 +328,20 @@ bsd_scale_setup(int scale)
 		maxfilesperproc = maxfiles/2;
 		desiredvnodes = maxfiles;
 		vnodes_sized = 1;
+		tcp_tfo_backlog = 100 * scale;
 		if (scale > 4) {
-			/* clip them at 32G level */
+			/* clip somaxconn at 32G level */
 			somaxconn = 2048;
-			/* 64G or more the hash size is 32k */
+			/*
+			 * For scale > 4 (> 32G), clip
+			 * tcp_tcbhashsize to 32K
+			 */
+			tcp_tcbhashsize = 32 *1024;
+
 			if (scale > 7) {
 				/* clip at 64G level */
-				tcp_tcbhashsize = 16 *1024;
 				max_cached_sock_count = 165000;
 			} else {
-				tcp_tcbhashsize = 32 *1024;
 				max_cached_sock_count = 60000 + ((scale-1) * 15000);
 			}
 		} else {