svn commit: r336427 - in head/sys: arm64/include riscv/include
Warner Losh
imp at FreeBSD.org
Tue Jul 17 21:07:55 UTC 2018
Author: imp
Date: Tue Jul 17 21:07:53 2018
New Revision: 336427
URL: https://svnweb.freebsd.org/changeset/base/336427
Log:
Remove VM_FREELIST_ISADMA. It's not needed on these architectures.
Differential Review: https://reviews.freebsd.org/D16290
Modified:
head/sys/arm64/include/vmparam.h
head/sys/riscv/include/vmparam.h
Modified: head/sys/arm64/include/vmparam.h
==============================================================================
--- head/sys/arm64/include/vmparam.h Tue Jul 17 21:05:08 2018 (r336426)
+++ head/sys/arm64/include/vmparam.h Tue Jul 17 21:07:53 2018 (r336427)
@@ -67,10 +67,7 @@
#define VM_PHYSSEG_SPARSE
/*
- * The number of PHYSSEG entries must be one greater than the number
- * of phys_avail entries because the phys_avail entry that spans the
- * largest physical address that is accessible by ISA DMA is split
- * into two PHYSSEG entries.
+ * The number of PHYSSEG entries.
*/
#define VM_PHYSSEG_MAX 64
@@ -85,14 +82,11 @@
#define VM_FREEPOOL_DIRECT 1
/*
- * Create two free page lists: VM_FREELIST_DEFAULT is for physical
- * pages that are above the largest physical address that is
- * accessible by ISA DMA and VM_FREELIST_ISADMA is for physical pages
- * that are below that address.
+ * Create one free page lists: VM_FREELIST_DEFAULT is for all physical
+ * pages.
*/
-#define VM_NFREELIST 2
+#define VM_NFREELIST 1
#define VM_FREELIST_DEFAULT 0
-#define VM_FREELIST_ISADMA 1
/*
* An allocation size of 16MB is supported in order to optimize the
Modified: head/sys/riscv/include/vmparam.h
==============================================================================
--- head/sys/riscv/include/vmparam.h Tue Jul 17 21:05:08 2018 (r336426)
+++ head/sys/riscv/include/vmparam.h Tue Jul 17 21:07:53 2018 (r336427)
@@ -67,10 +67,7 @@
#define VM_PHYSSEG_SPARSE
/*
- * The number of PHYSSEG entries must be one greater than the number
- * of phys_avail entries because the phys_avail entry that spans the
- * largest physical address that is accessible by ISA DMA is split
- * into two PHYSSEG entries.
+ * The number of PHYSSEG entries.
*/
#define VM_PHYSSEG_MAX 64
@@ -85,14 +82,11 @@
#define VM_FREEPOOL_DIRECT 1
/*
- * Create two free page lists: VM_FREELIST_DEFAULT is for physical
- * pages that are above the largest physical address that is
- * accessible by ISA DMA and VM_FREELIST_ISADMA is for physical pages
- * that are below that address.
+ * Create one free page list: VM_FREELIST_DEFAULT is for all physical
+ * pages.
*/
-#define VM_NFREELIST 2
+#define VM_NFREELIST 1
#define VM_FREELIST_DEFAULT 0
-#define VM_FREELIST_ISADMA 1
/*
* An allocation size of 16MB is supported in order to optimize the
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