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authorLinus Torvalds <torvalds@linux-foundation.org>2009-12-08 08:12:43 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2009-12-08 08:12:43 -0800
commit79c9601c2e0dbbe69895d302de4d19f3a31fbd30 (patch)
tree78d4be2df851b2b4106adcfd736622a90cecf9e9 /arch/arm/mm/vmregion.h
parent41440ffe21f29bdb985cab76b2d0b06d83e63b19 (diff)
parent3d14b5beba35250c548d3851a2b84fce742d8311 (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: (272 commits) Fix soc_common PCMCIA configuration ARM: 5827/1: SA1100: h3100/h3600: emit messages on failed gpio_request ARM: 5826/1: SA1100: h3100/h3600: always build htc-egpio driver ARM: 5825/1: SA1100: h3600: update defconfig ARM: 5824/1: SA1100: reuse h3600 PCMCIA driver on h3100 ARM: 5823/1: SA1100: h3100/h3600: add support for gpio-keys ARM: 5822/1: SA1100: h3100/h3600: clean up #includes ARM: 5821/1: SA1100: h3100/h3600: revise copyright boilerplates ARM: 5820/1: SA1100: h3100/h3600: split h3600.c ARM: 5819/1: SA1100: h3100/h3600: merge h3600.h and h3600_gpio.h into h3xxx.h ARM: 5818/1: SA1100: h3100/h3600: drop old GPIO definitions ARM: 5817/1: SA1100: h3100/h3600: configure all unused gpios as inputs ARM: 5816/1: SA1100: h3600: remove IRQ_GPIO_* definitions ARM: 5815/1: SA1100: h3100/h3600: remove now unused assign_h3600_egpio handlers ARM: 5814/1: SA1100: h3100/h3600: convert all users of assign_h3600_egpio to gpiolib ARM: 5813/1: SA1100: h3100/h3600: add htc-egpio driver ARM: 5812/1: SA1100: h3100/h3600: separate machine-specific LCD helpers ARM: 5811/2: pcmcia: convert sa1100_h3600 driver to gpiolib ARM: 5799/1: SA1100: h3600: stop setting direction for LCD pins ARM: 5798/1: SA1100: h3600: remove unused cruft from h3600.h ...
Diffstat (limited to 'arch/arm/mm/vmregion.h')
-rw-r--r--arch/arm/mm/vmregion.h29
1 files changed, 29 insertions, 0 deletions
diff --git a/arch/arm/mm/vmregion.h b/arch/arm/mm/vmregion.h
new file mode 100644
index 00000000000..6b2cdbdf3a8
--- /dev/null
+++ b/arch/arm/mm/vmregion.h
@@ -0,0 +1,29 @@
+#ifndef VMREGION_H
+#define VMREGION_H
+
+#include <linux/spinlock.h>
+#include <linux/list.h>
+
+struct page;
+
+struct arm_vmregion_head {
+ spinlock_t vm_lock;
+ struct list_head vm_list;
+ unsigned long vm_start;
+ unsigned long vm_end;
+};
+
+struct arm_vmregion {
+ struct list_head vm_list;
+ unsigned long vm_start;
+ unsigned long vm_end;
+ struct page *vm_pages;
+ int vm_active;
+};
+
+struct arm_vmregion *arm_vmregion_alloc(struct arm_vmregion_head *, size_t, gfp_t);
+struct arm_vmregion *arm_vmregion_find(struct arm_vmregion_head *, unsigned long);
+struct arm_vmregion *arm_vmregion_find_remove(struct arm_vmregion_head *, unsigned long);
+void arm_vmregion_free(struct arm_vmregion_head *, struct arm_vmregion *);
+
+#endif