Module Name: src
Committed By: mlelstv
Date: Fri Mar 30 07:22:59 UTC 2018
Modified Files:
src/sys/uvm: uvm_readahead.c
Log Message:
Increase UVM read ahead window limit a bit to match concurrency of reading
from the raw device.
To generate a diff of this commit:
cvs rdiff -u -r1.8 -r1.9 src/sys/uvm/uvm_readahead.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/uvm/uvm_readahead.c
diff -u src/sys/uvm/uvm_readahead.c:1.8 src/sys/uvm/uvm_readahead.c:1.9
--- src/sys/uvm/uvm_readahead.c:1.8 Sun Jun 12 03:36:04 2011
+++ src/sys/uvm/uvm_readahead.c Fri Mar 30 07:22:59 2018
@@ -1,4 +1,4 @@
-/* $NetBSD: uvm_readahead.c,v 1.8 2011/06/12 03:36:04 rmind Exp $ */
+/* $NetBSD: uvm_readahead.c,v 1.9 2018/03/30 07:22:59 mlelstv Exp $ */
/*-
* Copyright (c)2003, 2005, 2009 YAMAMOTO Takashi,
@@ -40,7 +40,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: uvm_readahead.c,v 1.8 2011/06/12 03:36:04 rmind Exp $");
+__KERNEL_RCSID(0, "$NetBSD: uvm_readahead.c,v 1.9 2018/03/30 07:22:59 mlelstv Exp $");
#include <sys/param.h>
#include <sys/pool.h>
@@ -73,7 +73,7 @@ struct uvm_ractx {
#endif
#define RA_WINSIZE_INIT MAXPHYS /* initial window size */
-#define RA_WINSIZE_MAX (MAXPHYS * 8) /* max window size */
+#define RA_WINSIZE_MAX (MAXPHYS * 16) /* max window size */
#define RA_WINSIZE_SEQENTIAL RA_WINSIZE_MAX /* fixed window size used for
SEQUENTIAL hint */
#define RA_MINSIZE (MAXPHYS * 2) /* min size to start i/o */
