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From: Luigi Rizzo <luigi@FreeBSD.org>
Date: Wed, 15 Feb 2012 06:16:52 +0000 (UTC)
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Subject: svn commit: r231742 - stable/8/sys/dev/netmap
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Author: luigi
Date: Wed Feb 15 06:16:52 2012
New Revision: 231742
URL: http://svn.freebsd.org/changeset/base/231742

Log:
  use 4096 instead of PAGE_SIZE to determine the initial size
  of the memory allocated for netmap. Apparently the previous
  value fails with an integer overflow on stable/8-IA64
  (4M pages ? curious that it does not fail on stable/9 and head)

Modified:
  stable/8/sys/dev/netmap/netmap.c

Modified: stable/8/sys/dev/netmap/netmap.c
==============================================================================
--- stable/8/sys/dev/netmap/netmap.c	Wed Feb 15 05:37:41 2012	(r231741)
+++ stable/8/sys/dev/netmap/netmap.c	Wed Feb 15 06:16:52 2012	(r231742)
@@ -133,7 +133,7 @@ SYSCTL_INT(_dev_netmap, OID_AUTO, no_pen
  * At the moment the block is contiguous, but we can easily
  * restrict our demand to smaller units (16..64k)
  */
-#define NETMAP_MEMORY_SIZE (64 * 1024 * PAGE_SIZE)
+#define NETMAP_MEMORY_SIZE (64 * 1024 * 4096)
 static void * netmap_malloc(size_t size, const char *msg);
 static void netmap_free(void *addr, const char *msg);