svn commit: r192212 -
user/kmacy/ZFS_MFC/sys/cddl/contrib/opensolaris/uts/common/fs/zfs
Kip Macy
kmacy at FreeBSD.org
Sat May 16 20:34:58 UTC 2009
Author: kmacy
Date: Sat May 16 20:34:57 2009
New Revision: 192212
URL: http://svn.freebsd.org/changeset/base/192212
Log:
only use direct map if we have more than 2GB
Modified:
user/kmacy/ZFS_MFC/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/arc.c
Modified: user/kmacy/ZFS_MFC/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/arc.c
==============================================================================
--- user/kmacy/ZFS_MFC/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/arc.c Sat May 16 20:33:13 2009 (r192211)
+++ user/kmacy/ZFS_MFC/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/arc.c Sat May 16 20:34:57 2009 (r192212)
@@ -3434,7 +3434,7 @@ arc_init(void)
/* Start out with 1/8 of all memory */
#if defined(_KERNEL) && (__amd64__)
arc_c = physmem*PAGE_SIZE / 8;
- if (physmem*PAGE_SIZE > kmem_size())
+ if (physmem*PAGE_SIZE > kmem_size() && (1UL<<31))
arc_large_memory_enabled = 1;
#else
arc_c = kmem_size() / 8;
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