diff options
21 files changed, 17 insertions, 209 deletions
diff --git a/include/asm-arm/arch-cl7500/vmalloc.h b/include/asm-arm/arch-cl7500/vmalloc.h index 91883de..ba8d7a8 100644 --- a/include/asm-arm/arch-cl7500/vmalloc.h +++ b/include/asm-arm/arch-cl7500/vmalloc.h @@ -1,15 +1,4 @@ /* * linux/include/asm-arm/arch-cl7500/vmalloc.h */ - -/* - * Just any arbitrary offset to the start of the vmalloc VM area: the - * current 8MB value just means that there will be a 8MB "hole" after the - * physical memory until the kernel virtual memory starts. That means that - * any out-of-bounds memory accesses will hopefully be caught. - * The vmalloc() routines leaves a hole of 4kB between each vmalloced - * area for the same reason. ;) - */ -#define VMALLOC_OFFSET (8*1024*1024) -#define VMALLOC_START (((unsigned long)high_memory + VMALLOC_OFFSET) & ~(VMALLOC_OFFSET-1)) #define VMALLOC_END (PAGE_OFFSET + 0x1c000000) diff --git a/include/asm-arm/arch-clps711x/vmalloc.h b/include/asm-arm/arch-clps711x/vmalloc.h index 42571ed..a5dfe96 100644 --- a/include/asm-arm/arch-clps711x/vmalloc.h +++ b/include/asm-arm/arch-clps711x/vmalloc.h @@ -17,15 +17,4 @@ * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ - -/* - * Just any arbitrary offset to the start of the vmalloc VM area: the - * current 8MB value just means that there will be a 8MB "hole" after the - * physical memory until the kernel virtual memory starts. That means that - * any out-of-bounds memory accesses will hopefully be caught. - * The vmalloc() routines leaves a hole of 4kB between each vmalloced - * area for the same reason. ;) - */ -#define VMALLOC_OFFSET (8*1024*1024) -#define VMALLOC_START (((unsigned long)high_memory + VMALLOC_OFFSET) & ~(VMALLOC_OFFSET-1)) #define VMALLOC_END (PAGE_OFFSET + 0x10000000) diff --git a/include/asm-arm/arch-ebsa110/vmalloc.h b/include/asm-arm/arch-ebsa110/vmalloc.h index 759659b..26674ba 100644 --- a/include/asm-arm/arch-ebsa110/vmalloc.h +++ b/include/asm-arm/arch-ebsa110/vmalloc.h @@ -7,15 +7,4 @@ * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ - -/* - * Just any arbitrary offset to the start of the vmalloc VM area: the - * current 8MB value just means that there will be a 8MB "hole" after the - * physical memory until the kernel virtual memory starts. That means that - * any out-of-bounds memory accesses will hopefully be caught. - * The vmalloc() routines leaves a hole of 4kB between each vmalloced - * area for the same reason. ;) - */ -#define VMALLOC_OFFSET (8*1024*1024) -#define VMALLOC_START (((unsigned long)high_memory + VMALLOC_OFFSET) & ~(VMALLOC_OFFSET-1)) #define VMALLOC_END (PAGE_OFFSET + 0x1f000000) diff --git a/include/asm-arm/arch-ebsa285/vmalloc.h b/include/asm-arm/arch-ebsa285/vmalloc.h index def705a..d1ca955 100644 --- a/include/asm-arm/arch-ebsa285/vmalloc.h +++ b/include/asm-arm/arch-ebsa285/vmalloc.h @@ -8,17 +8,6 @@ #include <linux/config.h> -/* - * Just any arbitrary offset to the start of the vmalloc VM area: the - * current 8MB value just means that there will be a 8MB "hole" after the - * physical memory until the kernel virtual memory starts. That means that - * any out-of-bounds memory accesses will hopefully be caught. - * The vmalloc() routines leaves a hole of 4kB between each vmalloced - * area for the same reason. ;) - */ -#define VMALLOC_OFFSET (8*1024*1024) -#define VMALLOC_START (((unsigned long)high_memory + VMALLOC_OFFSET) & ~(VMALLOC_OFFSET-1)) - #ifdef CONFIG_ARCH_FOOTBRIDGE #define VMALLOC_END (PAGE_OFFSET + 0x30000000) #else diff --git a/include/asm-arm/arch-epxa10db/vmalloc.h b/include/asm-arm/arch-epxa10db/vmalloc.h index d31ef85..546fb7d 100644 --- a/include/asm-arm/arch-epxa10db/vmalloc.h +++ b/include/asm-arm/arch-epxa10db/vmalloc.h @@ -17,15 +17,4 @@ * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ - -/* - * Just any arbitrary offset to the start of the vmalloc VM area: the - * current 8MB value just means that there will be a 8MB "hole" after the - * physical memory until the kernel virtual memory starts. That means that - * any out-of-bounds memory accesses will hopefully be caught. - * The vmalloc() routines leaves a hole of 4kB between each vmalloced - * area for the same reason. ;) - */ -#define VMALLOC_OFFSET (8*1024*1024) -#define VMALLOC_START (((unsigned long)high_memory + VMALLOC_OFFSET) & ~(VMALLOC_OFFSET-1)) #define VMALLOC_END (PAGE_OFFSET + 0x10000000) diff --git a/include/asm-arm/arch-h720x/vmalloc.h b/include/asm-arm/arch-h720x/vmalloc.h index 4af523a..b4693cb 100644 --- a/include/asm-arm/arch-h720x/vmalloc.h +++ b/include/asm-arm/arch-h720x/vmalloc.h @@ -5,17 +5,6 @@ #ifndef __ARCH_ARM_VMALLOC_H #define __ARCH_ARM_VMALLOC_H -/* - * Just any arbitrary offset to the start of the vmalloc VM area: the - * current 8MB value just means that there will be a 8MB "hole" after the - * physical memory until the kernel virtual memory starts. That means that - * any out-of-bounds memory accesses will hopefully be caught. - * The vmalloc() routines leaves a hole of 4kB between each vmalloced - * area for the same reason. ;) - */ -#define VMALLOC_OFFSET (8*1024*1024) -#define VMALLOC_START (((unsigned long)high_memory + VMALLOC_OFFSET) & ~(VMALLOC_OFFSET-1)) -#define VMALLOC_VMADDR(x) ((unsigned long)(x)) #define VMALLOC_END (PAGE_OFFSET + 0x10000000) #endif diff --git a/include/asm-arm/arch-imx/vmalloc.h b/include/asm-arm/arch-imx/vmalloc.h index 252038f..cb61691 100644 --- a/include/asm-arm/arch-imx/vmalloc.h +++ b/include/asm-arm/arch-imx/vmalloc.h @@ -17,16 +17,4 @@ * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ - -/* - * Just any arbitrary offset to the start of the vmalloc VM area: the - * current 8MB value just means that there will be a 8MB "hole" after the - * physical memory until the kernel virtual memory starts. That means that - * any out-of-bounds memory accesses will hopefully be caught. - * The vmalloc() routines leaves a hole of 4kB between each vmalloced - * area for the same reason. ;) - */ -#define VMALLOC_OFFSET (8*1024*1024) -#define VMALLOC_START (((unsigned long)high_memory + VMALLOC_OFFSET) & ~(VMALLOC_OFFSET-1)) -#define VMALLOC_VMADDR(x) ((unsigned long)(x)) #define VMALLOC_END (PAGE_OFFSET + 0x10000000) diff --git a/include/asm-arm/arch-integrator/vmalloc.h b/include/asm-arm/arch-integrator/vmalloc.h index 50e9aee..170ccce 100644 --- a/include/asm-arm/arch-integrator/vmalloc.h +++ b/include/asm-arm/arch-integrator/vmalloc.h @@ -17,15 +17,4 @@ * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ - -/* - * Just any arbitrary offset to the start of the vmalloc VM area: the - * current 8MB value just means that there will be a 8MB "hole" after the - * physical memory until the kernel virtual memory starts. That means that - * any out-of-bounds memory accesses will hopefully be caught. - * The vmalloc() routines leaves a hole of 4kB between each vmalloced - * area for the same reason. ;) - */ -#define VMALLOC_OFFSET (8*1024*1024) -#define VMALLOC_START (((unsigned long)high_memory + VMALLOC_OFFSET) & ~(VMALLOC_OFFSET-1)) #define VMALLOC_END (PAGE_OFFSET + 0x10000000) diff --git a/include/asm-arm/arch-iop3xx/vmalloc.h b/include/asm-arm/arch-iop3xx/vmalloc.h index dc1d2a9..0f2f684 100644 --- a/include/asm-arm/arch-iop3xx/vmalloc.h +++ b/include/asm-arm/arch-iop3xx/vmalloc.h @@ -10,9 +10,6 @@ * The vmalloc() routines leaves a hole of 4kB between each vmalloced * area for the same reason. ;) */ -#define VMALLOC_OFFSET (8*1024*1024) -#define VMALLOC_START (((unsigned long)high_memory + VMALLOC_OFFSET) & ~(VMALLOC_OFFSET-1)) -#define VMALLOC_VMADDR(x) ((unsigned long)(x)) //#define VMALLOC_END (0xe8000000) /* increase usable physical RAM to ~992M per RMK */ #define VMALLOC_END (0xfe000000) diff --git a/include/asm-arm/arch-ixp2000/vmalloc.h b/include/asm-arm/arch-ixp2000/vmalloc.h index 2e4bcbc..473dff4 100644 --- a/include/asm-arm/arch-ixp2000/vmalloc.h +++ b/include/asm-arm/arch-ixp2000/vmalloc.h @@ -17,7 +17,4 @@ * The vmalloc() routines leaves a hole of 4kB between each vmalloced * area for the same reason. ;) */ -#define VMALLOC_OFFSET (8*1024*1024) -#define VMALLOC_START (((unsigned long)high_memory + VMALLOC_OFFSET) & ~(VMALLOC_OFFSET-1)) -#define VMALLOC_VMADDR(x) ((unsigned long)(x)) #define VMALLOC_END 0xfaffefff diff --git a/include/asm-arm/arch-ixp4xx/vmalloc.h b/include/asm-arm/arch-ixp4xx/vmalloc.h index da46e56..050d46e 100644 --- a/include/asm-arm/arch-ixp4xx/vmalloc.h +++ b/include/asm-arm/arch-ixp4xx/vmalloc.h @@ -1,17 +1,5 @@ /* * linux/include/asm-arm/arch-ixp4xx/vmalloc.h */ - -/* - * Just any arbitrary offset to the start of the vmalloc VM area: the - * current 8MB value just means that there will be a 8MB "hole" after the - * physical memory until the kernel virtual memory starts. That means that - * any out-of-bounds memory accesses will hopefully be caught. - * The vmalloc() routines leaves a hole of 4kB between each vmalloced - * area for the same reason. ;) - */ -#define VMALLOC_OFFSET (8*1024*1024) -#define VMALLOC_START (((unsigned long)high_memory + VMALLOC_OFFSET) & ~(VMALLOC_OFFSET-1)) -#define VMALLOC_VMADDR(x) ((unsigned long)(x)) #define VMALLOC_END (0xFF000000) diff --git a/include/asm-arm/arch-l7200/vmalloc.h b/include/asm-arm/arch-l7200/vmalloc.h index edeaebe..816231e 100644 --- a/include/asm-arm/arch-l7200/vmalloc.h +++ b/include/asm-arm/arch-l7200/vmalloc.h @@ -1,15 +1,4 @@ /* * linux/include/asm-arm/arch-l7200/vmalloc.h */ - -/* - * Just any arbitrary offset to the start of the vmalloc VM area: the - * current 8MB value just means that there will be a 8MB "hole" after the - * physical memory until the kernel virtual memory starts. That means that - * any out-of-bounds memory accesses will hopefully be caught. - * The vmalloc() routines leaves a hole of 4kB between each vmalloced - * area for the same reason. ;) - */ -#define VMALLOC_OFFSET (8*1024*1024) -#define VMALLOC_START (((unsigned long)high_memory + VMALLOC_OFFSET) & ~(VMALLOC_OFFSET-1)) #define VMALLOC_END (PAGE_OFFSET + 0x10000000) diff --git a/include/asm-arm/arch-lh7a40x/vmalloc.h b/include/asm-arm/arch-lh7a40x/vmalloc.h index 5ac6079..8163e45 100644 --- a/include/asm-arm/arch-lh7a40x/vmalloc.h +++ b/include/asm-arm/arch-lh7a40x/vmalloc.h @@ -7,15 +7,4 @@ * version 2 as published by the Free Software Foundation. * */ - -/* - * Just any arbitrary offset to the start of the vmalloc VM area: the - * current 8MB value just means that there will be a 8MB "hole" after - * the physical memory until the kernel virtual memory starts. That - * means that any out-of-bounds memory accesses will hopefully be - * caught. The vmalloc() routines leaves a hole of 4kB (one page) - * between each vmalloced area for the same reason. ;) - */ -#define VMALLOC_OFFSET (8*1024*1024) -#define VMALLOC_START (((unsigned long)high_memory + VMALLOC_OFFSET) & ~(VMALLOC_OFFSET-1)) #define VMALLOC_END (0xe8000000) diff --git a/include/asm-arm/arch-omap/vmalloc.h b/include/asm-arm/arch-omap/vmalloc.h index c6a8358..5b8bd8d 100644 --- a/include/asm-arm/arch-omap/vmalloc.h +++ b/include/asm-arm/arch-omap/vmalloc.h @@ -17,17 +17,5 @@ * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ - -/* - * Just any arbitrary offset to the start of the vmalloc VM area: the - * current 8MB value just means that there will be a 8MB "hole" after the - * physical memory until the kernel virtual memory starts. That means that - * any out-of-bounds memory accesses will hopefully be caught. - * The vmalloc() routines leaves a hole of 4kB between each vmalloced - * area for the same reason. ;) - */ -#define VMALLOC_OFFSET (8*1024*1024) -#define VMALLOC_START (((unsigned long)high_memory + VMALLOC_OFFSET) & ~(VMALLOC_OFFSET-1)) -#define VMALLOC_VMADDR(x) ((unsigned long)(x)) #define VMALLOC_END (PAGE_OFFSET + 0x10000000) diff --git a/include/asm-arm/arch-pxa/vmalloc.h b/include/asm-arm/arch-pxa/vmalloc.h index 3381af6..5bb450c 100644 --- a/include/asm-arm/arch-pxa/vmalloc.h +++ b/include/asm-arm/arch-pxa/vmalloc.h @@ -8,15 +8,4 @@ * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ - -/* - * Just any arbitrary offset to the start of the vmalloc VM area: the - * current 8MB value just means that there will be a 8MB "hole" after the - * physical memory until the kernel virtual memory starts. That means that - * any out-of-bounds memory accesses will hopefully be caught. - * The vmalloc() routines leaves a hole of 4kB between each vmalloced - * area for the same reason. ;) - */ -#define VMALLOC_OFFSET (8*1024*1024) -#define VMALLOC_START (((unsigned long)high_memory + VMALLOC_OFFSET) & ~(VMALLOC_OFFSET-1)) #define VMALLOC_END (0xe8000000) diff --git a/include/asm-arm/arch-rpc/vmalloc.h b/include/asm-arm/arch-rpc/vmalloc.h index a13c27f..077046b 100644 --- a/include/asm-arm/arch-rpc/vmalloc.h +++ b/include/asm-arm/arch-rpc/vmalloc.h @@ -7,15 +7,4 @@ * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ - -/* - * Just any arbitrary offset to the start of the vmalloc VM area: the - * current 8MB value just means that there will be a 8MB "hole" after the - * physical memory until the kernel virtual memory starts. That means that - * any out-of-bounds memory accesses will hopefully be caught. - * The vmalloc() routines leaves a hole of 4kB between each vmalloced - * area for the same reason. ;) - */ -#define VMALLOC_OFFSET (8*1024*1024) -#define VMALLOC_START (((unsigned long)high_memory + VMALLOC_OFFSET) & ~(VMALLOC_OFFSET-1)) #define VMALLOC_END (PAGE_OFFSET + 0x1c000000) diff --git a/include/asm-arm/arch-s3c2410/vmalloc.h b/include/asm-arm/arch-s3c2410/vmalloc.h index 5fe72ad..33963cd 100644 --- a/include/asm-arm/arch-s3c2410/vmalloc.h +++ b/include/asm-arm/arch-s3c2410/vmalloc.h @@ -19,18 +19,6 @@ #ifndef __ASM_ARCH_VMALLOC_H #define __ASM_ARCH_VMALLOC_H -/* - * Just any arbitrary offset to the start of the vmalloc VM area: the - * current 8MB value just means that there will be a 8MB "hole" after the - * physical memory until the kernel virtual memory starts. That means that - * any out-of-bounds memory accesses will hopefully be caught. - * The vmalloc() routines leaves a hole of 4kB between each vmalloced - * area for the same reason. ;) - */ - -#define VMALLOC_OFFSET (8*1024*1024) -#define VMALLOC_START (((unsigned long)high_memory + VMALLOC_OFFSET) & ~(VMALLOC_OFFSET-1)) -#define VMALLOC_VMADDR(x) ((unsigned long)(x)) #define VMALLOC_END (0xE0000000) #endif /* __ASM_ARCH_VMALLOC_H */ diff --git a/include/asm-arm/arch-sa1100/vmalloc.h b/include/asm-arm/arch-sa1100/vmalloc.h index 135bc94..2fb1c6f 100644 --- a/include/asm-arm/arch-sa1100/vmalloc.h +++ b/include/asm-arm/arch-sa1100/vmalloc.h @@ -1,15 +1,4 @@ /* * linux/include/asm-arm/arch-sa1100/vmalloc.h */ - -/* - * Just any arbitrary offset to the start of the vmalloc VM area: the - * current 8MB value just means that there will be a 8MB "hole" after the - * physical memory until the kernel virtual memory starts. That means that - * any out-of-bounds memory accesses will hopefully be caught. - * The vmalloc() routines leaves a hole of 4kB between each vmalloced - * area for the same reason. ;) - */ -#define VMALLOC_OFFSET (8*1024*1024) -#define VMALLOC_START (((unsigned long)high_memory + VMALLOC_OFFSET) & ~(VMALLOC_OFFSET-1)) #define VMALLOC_END (0xe8000000) diff --git a/include/asm-arm/arch-shark/vmalloc.h b/include/asm-arm/arch-shark/vmalloc.h index 1cc2009..10db5d1 100644 --- a/include/asm-arm/arch-shark/vmalloc.h +++ b/include/asm-arm/arch-shark/vmalloc.h @@ -1,15 +1,4 @@ /* * linux/include/asm-arm/arch-rpc/vmalloc.h */ - -/* - * Just any arbitrary offset to the start of the vmalloc VM area: the - * current 8MB value just means that there will be a 8MB "hole" after the - * physical memory until the kernel virtual memory starts. That means that - * any out-of-bounds memory accesses will hopefully be caught. - * The vmalloc() routines leaves a hole of 4kB between each vmalloced - * area for the same reason. ;) - */ -#define VMALLOC_OFFSET (8*1024*1024) -#define VMALLOC_START (((unsigned long)high_memory + VMALLOC_OFFSET) & ~(VMALLOC_OFFSET-1)) #define VMALLOC_END (PAGE_OFFSET + 0x10000000) diff --git a/include/asm-arm/arch-versatile/vmalloc.h b/include/asm-arm/arch-versatile/vmalloc.h index adfb3482..ac780df 100644 --- a/include/asm-arm/arch-versatile/vmalloc.h +++ b/include/asm-arm/arch-versatile/vmalloc.h @@ -18,16 +18,4 @@ * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ - -/* - * Just any arbitrary offset to the start of the vmalloc VM area: the - * current 8MB value just means that there will be a 8MB "hole" after the - * physical memory until the kernel virtual memory starts. That means that - * any out-of-bounds memory accesses will hopefully be caught. - * The vmalloc() routines leaves a hole of 4kB between each vmalloced - * area for the same reason. ;) - */ -#define VMALLOC_OFFSET (8*1024*1024) -#define VMALLOC_START (((unsigned long)high_memory + VMALLOC_OFFSET) & ~(VMALLOC_OFFSET-1)) -#define VMALLOC_VMADDR(x) ((unsigned long)(x)) #define VMALLOC_END (PAGE_OFFSET + 0x18000000) diff --git a/include/asm-arm/pgtable.h b/include/asm-arm/pgtable.h index 2df4eac..a9892eb 100644 --- a/include/asm-arm/pgtable.h +++ b/include/asm-arm/pgtable.h @@ -17,6 +17,23 @@ #include <asm/arch/vmalloc.h> /* + * Just any arbitrary offset to the start of the vmalloc VM area: the + * current 8MB value just means that there will be a 8MB "hole" after the + * physical memory until the kernel virtual memory starts. That means that + * any out-of-bounds memory accesses will hopefully be caught. + * The vmalloc() routines leaves a hole of 4kB between each vmalloced + * area for the same reason. ;) + * + * Note that platforms may override VMALLOC_START, but they must provide + * VMALLOC_END. VMALLOC_END defines the (exclusive) limit of this space, + * which may not overlap IO space. + */ +#ifndef VMALLOC_START +#define VMALLOC_OFFSET (8*1024*1024) +#define VMALLOC_START (((unsigned long)high_memory + VMALLOC_OFFSET) & ~(VMALLOC_OFFSET-1)) +#endif + +/* * Hardware-wise, we have a two level page table structure, where the first * level has 4096 entries, and the second level has 256 entries. Each entry * is one 32-bit word. Most of the bits in the second level entry are used |
