Author: alc
Date: Sun Feb 21 22:23:13 2010
New Revision: 204181
URL: http://svn.freebsd.org/changeset/base/204181
Log:
Align the start of the clean submap to a superpage boundary. Although
no superpage mappings are created within the clean submap, aligning the
start of the clean submap helps to prevent interference with kmem_alloc()'s
use of superpages.
Modified:
head/sys/vm/vm_init.c
Modified: head/sys/vm/vm_init.c
==============================================================================
--- head/sys/vm/vm_init.c Sun Feb 21 22:13:57 2010 (r204180)
+++ head/sys/vm/vm_init.c Sun Feb 21 22:23:13 2010 (r204181)
@@ -186,7 +186,7 @@ again:
panic("startup: table size inconsistency");
clean_map = kmem_suballoc(kernel_map, &kmi->clean_sva, &kmi->clean_eva,
- (long)nbuf * BKVASIZE + (long)nswbuf * MAXPHYS, FALSE);
+ (long)nbuf * BKVASIZE + (long)nswbuf * MAXPHYS, TRUE);
buffer_map = kmem_suballoc(clean_map, &kmi->buffer_sva,
&kmi->buffer_eva, (long)nbuf * BKVASIZE, FALSE);
buffer_map->system_map = 1;
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