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authorLinus Torvalds <torvalds@linux-foundation.org>2009-03-28 17:03:14 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2009-03-28 17:03:14 -0400
commit0fe41b8982001cd14ee2c77cd776735a5024e98b (patch)
tree83e65d595c413d55259ea14fb97748ce5efe5707 /arch/arm/include/asm/memory.h
parenteedf2c5296a8dfaaf9aec1a938c1d3bd73159a30 (diff)
parent9759d22c8348343b0da4e25d6150c41712686c14 (diff)
Merge branch 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm: (422 commits) [ARM] 5435/1: fix compile warning in sanity_check_meminfo() [ARM] 5434/1: ARM: OMAP: Fix mailbox compile for 24xx [ARM] pxa: fix the bad assumption that PCMCIA sockets always start with 0 [ARM] pxa: fix Colibri PXA300 and PXA320 LCD backlight pins imxfb: Fix TFT mode i.MX21/27: remove ifdef CONFIG_FB_IMX imxfb: add clock support mxc: add arch_reset() function clkdev: add possibility to get a clock based on the device name i.MX1: remove fb support from mach-imx [ARM] pxa: build arch/arm/plat-pxa/mfp.c only when PXA3xx or ARCH_MMP defined Gemini: Add support for Teltonika RUT100 Gemini: gpiolib based GPIO support v2 MAINTAINERS: add myself as Gemini architecture maintainer ARM: Add Gemini architecture v3 [ARM] OMAP: Fix compile for omap2_init_common_hw() MAINTAINERS: Add myself as Faraday ARM core variant maintainer ARM: Add support for FA526 v2 [ARM] acorn,ebsa110,footbridge,integrator,sa1100: Convert asm/io.h to linux/io.h [ARM] collie: fix two minor formatting nits ...
Diffstat (limited to 'arch/arm/include/asm/memory.h')
-rw-r--r--arch/arm/include/asm/memory.h14
1 files changed, 11 insertions, 3 deletions
diff --git a/arch/arm/include/asm/memory.h b/arch/arm/include/asm/memory.h
index 0202a7c20e62..85763db87449 100644
--- a/arch/arm/include/asm/memory.h
+++ b/arch/arm/include/asm/memory.h
@@ -44,14 +44,21 @@
44 * The module space lives between the addresses given by TASK_SIZE 44 * The module space lives between the addresses given by TASK_SIZE
45 * and PAGE_OFFSET - it must be within 32MB of the kernel text. 45 * and PAGE_OFFSET - it must be within 32MB of the kernel text.
46 */ 46 */
47#define MODULES_END (PAGE_OFFSET) 47#define MODULES_VADDR (PAGE_OFFSET - 16*1024*1024)
48#define MODULES_VADDR (MODULES_END - 16*1048576)
49
50#if TASK_SIZE > MODULES_VADDR 48#if TASK_SIZE > MODULES_VADDR
51#error Top of user space clashes with start of module space 49#error Top of user space clashes with start of module space
52#endif 50#endif
53 51
54/* 52/*
53 * The highmem pkmap virtual space shares the end of the module area.
54 */
55#ifdef CONFIG_HIGHMEM
56#define MODULES_END (PAGE_OFFSET - PMD_SIZE)
57#else
58#define MODULES_END (PAGE_OFFSET)
59#endif
60
61/*
55 * The XIP kernel gets mapped at the bottom of the module vm area. 62 * The XIP kernel gets mapped at the bottom of the module vm area.
56 * Since we use sections to map it, this macro replaces the physical address 63 * Since we use sections to map it, this macro replaces the physical address
57 * with its virtual address while keeping offset from the base section. 64 * with its virtual address while keeping offset from the base section.
@@ -181,6 +188,7 @@ static inline void *phys_to_virt(unsigned long x)
181#ifndef __virt_to_bus 188#ifndef __virt_to_bus
182#define __virt_to_bus __virt_to_phys 189#define __virt_to_bus __virt_to_phys
183#define __bus_to_virt __phys_to_virt 190#define __bus_to_virt __phys_to_virt
191#define __pfn_to_bus(x) ((x) << PAGE_SHIFT)
184#endif 192#endif
185 193
186static inline __deprecated unsigned long virt_to_bus(void *x) 194static inline __deprecated unsigned long virt_to_bus(void *x)