mirror/freebsd
1
0
Fork 0
mirror of https://git.FreeBSD.org/src.git synced 2025-01-02 12:20:51 +00:00
Code Issues Releases Activity

only use direct map if system has more than 2GB

Browse Source
This commit is contained in:
Kip Macy 2009-05-16 20:09:07 +00:00
parent 32237d8492
commit 71bc1ce36e
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=192209
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
sys/cddl/contrib/opensolaris/uts/common/fs/zfs/arc.c
View File

@ -3432,7 +3432,7 @@ 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() && (physmem > (1UL<<31)))
arc_large_memory_enabled = 1;
#else
arc_c = kmem_size() / 8;