1 files changed, 27 insertions, 2 deletions

diff --git a/include/acpi/platform/aclinux.h b/include/acpi/platform/aclinux.h
index 277d35bced03..47faf27913a5 100644
--- a/include/acpi/platform/aclinux.h
+++ b/include/acpi/platform/aclinux.h
@@ -58,11 +58,14 @@
 #include <asm/div64.h>
 #include <asm/acpi.h>
 #include <linux/slab.h>
+#include <linux/spinlock_types.h>
+#include <asm/current.h>
 
 /* Host-dependent types and defines */
 
 #define ACPI_MACHINE_WIDTH          BITS_PER_LONG
 #define acpi_cache_t                        kmem_cache_t
+#define acpi_spinlock                   spinlock_t *
 #define ACPI_EXPORT_SYMBOL(symbol)  EXPORT_SYMBOL(symbol);
 #define strtoul                     simple_strtoul
 
@@ -98,8 +101,30 @@
 
 #define acpi_cpu_flags unsigned long
 
-#define acpi_thread_id u32
+#define acpi_thread_id struct task_struct *
 
-static inline acpi_thread_id acpi_os_get_thread_id(void) { return 0; }
+static inline acpi_thread_id acpi_os_get_thread_id(void) { return current; }
+
+/*
+ * The irqs_disabled() check is for resume from RAM.
+ * Interrupts are off during resume, just like they are for boot.
+ * However, boot has  (system_state != SYSTEM_RUNNING)
+ * to quiet __might_sleep() in kmalloc() and resume does not.
+ */
+#include <acpi/actypes.h>
+static inline void *acpi_os_allocate(acpi_size size) {
+        return kmalloc(size, irqs_disabled() ? GFP_ATOMIC : GFP_KERNEL);
+}
+static inline void *acpi_os_allocate_zeroed(acpi_size size) {
+        return kzalloc(size, irqs_disabled() ? GFP_ATOMIC : GFP_KERNEL);
+}
+
+static inline void *acpi_os_acquire_object(acpi_cache_t * cache) {
+        return kmem_cache_zalloc(cache, irqs_disabled() ? GFP_ATOMIC : GFP_KERNEL);
+}
+
+#define ACPI_ALLOCATE(a)        acpi_os_allocate(a)
+#define ACPI_ALLOCATE_ZEROED(a) acpi_os_allocate_zeroed(a)
+#define ACPI_FREE(a)            kfree(a)
 
 #endif                          /* __ACLINUX_H__ */