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authorMax Filippov <jcmvbkbc@gmail.com>2016-04-11 21:07:30 +0300
committerMax Filippov <jcmvbkbc@gmail.com>2016-07-24 06:33:57 +0300
commitf1883aa7d63e3be92ad18da7a1bfc6c9b15c4f9a (patch)
tree86839f71ee3af439a1a43ca548957728568a1aa3 /arch/xtensa/include/asm/pgtable.h
parent12c8007dafbb7a9719d7beb04b79c9406c265f47 (diff)
downloadlwn-f1883aa7d63e3be92ad18da7a1bfc6c9b15c4f9a.tar.gz
lwn-f1883aa7d63e3be92ad18da7a1bfc6c9b15c4f9a.zip
xtensa: move kernel mapping addresses into kmem_layout.h
Create a header dedicated to memory layout definitions. Include it from places where these definitions are needed. Express vmalloc area address, VIRTUAL_MEMORY_ADDRESS and KERNELOFFSET through KSEG address. Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Diffstat (limited to 'arch/xtensa/include/asm/pgtable.h')
-rw-r--r--arch/xtensa/include/asm/pgtable.h7
1 files changed, 4 insertions, 3 deletions
diff --git a/arch/xtensa/include/asm/pgtable.h b/arch/xtensa/include/asm/pgtable.h
index fb02fdc5ecee..8aa0e0d9cbb2 100644
--- a/arch/xtensa/include/asm/pgtable.h
+++ b/arch/xtensa/include/asm/pgtable.h
@@ -13,6 +13,7 @@
#include <asm-generic/pgtable-nopmd.h>
#include <asm/page.h>
+#include <asm/kmem_layout.h>
/*
* We only use two ring levels, user and kernel space.
@@ -68,9 +69,9 @@
* Virtual memory area. We keep a distance to other memory regions to be
* on the safe side. We also use this area for cache aliasing.
*/
-#define VMALLOC_START 0xC0000000
-#define VMALLOC_END 0xC7FEFFFF
-#define TLBTEMP_BASE_1 0xC7FF0000
+#define VMALLOC_START (XCHAL_KSEG_CACHED_VADDR - 0x10000000)
+#define VMALLOC_END (VMALLOC_START + 0x07FEFFFF)
+#define TLBTEMP_BASE_1 (VMALLOC_END + 1)
#define TLBTEMP_BASE_2 (TLBTEMP_BASE_1 + DCACHE_WAY_SIZE)
#if 2 * DCACHE_WAY_SIZE > ICACHE_WAY_SIZE
#define TLBTEMP_SIZE (2 * DCACHE_WAY_SIZE)