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-rw-r--r--include/acpi/platform/aclinux.h22
1 files changed, 22 insertions, 0 deletions
diff --git a/include/acpi/platform/aclinux.h b/include/acpi/platform/aclinux.h
index 3f853cabbd41..f0118262ac27 100644
--- a/include/acpi/platform/aclinux.h
+++ b/include/acpi/platform/aclinux.h
@@ -104,4 +104,26 @@
104 104
105static inline acpi_thread_id acpi_os_get_thread_id(void) { return 0; } 105static inline acpi_thread_id acpi_os_get_thread_id(void) { return 0; }
106 106
107/*
108 * The irqs_disabled() check is for resume from RAM.
109 * Interrupts are off during resume, just like they are for boot.
110 * However, boot has (system_state != SYSTEM_RUNNING)
111 * to quiet __might_sleep() in kmalloc() and resume does not.
112 */
113#include <acpi/actypes.h>
114static inline void *acpi_os_allocate(acpi_size size) {
115 return kmalloc(size, irqs_disabled() ? GFP_ATOMIC : GFP_KERNEL);
116}
117static inline void *acpi_os_allocate_zeroed(acpi_size size) {
118 return kzalloc(size, irqs_disabled() ? GFP_ATOMIC : GFP_KERNEL);
119}
120
121static inline void *acpi_os_acquire_object(acpi_cache_t * cache) {
122 return kmem_cache_zalloc(cache, irqs_disabled() ? GFP_ATOMIC : GFP_KERNEL);
123}
124
125#define ACPI_ALLOCATE(a) acpi_os_allocate(a)
126#define ACPI_ALLOCATE_ZEROED(a) acpi_os_allocate_zeroed(a)
127#define ACPI_FREE(a) kfree(a)
128
107#endif /* __ACLINUX_H__ */ 129#endif /* __ACLINUX_H__ */