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ACPICA: Cleanup memory allocation macros and configurability.

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In the common case, the ACPI_ALLOCATE and related macros now resolve
directly to their respective acpi_os* OSL interfaces. Two options:
1) The ACPI_ALLOCATE_ZEROED macro defaults to a simple local implementation
   by default, unless overridden by the USE_NATIVE_ALLOCATE_ZEROED define.
2) For ACPI execution simulation environment (AcpiExec) which is not
   shipped with the Linux kernel, the macros can optionally be resolved to
   the local interfaces that track each allocation (used to immediately
   detect memory leaks).

Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Lv Zheng 2013-10-29 09:29:27 +08:00 • committed by Rafael J. Wysocki
parent 73424473d0
commit b3c86c30ef
8 changed files with 100 additions and 132 deletions
Download patch file Download diff file Expand all files Collapse all files

2
include/acpi/acpiosxf.h
View file

@ -146,6 +146,8 @@ void acpi_os_release_mutex(acpi_mutex handle);
*/
void *acpi_os_allocate(acpi_size size);
void *acpi_os_allocate_zeroed(acpi_size size);
void acpi_os_free(void *memory);
void __iomem *acpi_os_map_memory(acpi_physical_address where,

9
include/acpi/acpixf.h
View file

@ -158,15 +158,6 @@ acpi_status
acpi_decode_pld_buffer(u8 *in_buffer,
acpi_size length, struct acpi_pld_info **return_buffer);
/*
* ACPI Memory management
*/
void *acpi_allocate(u32 size);
void *acpi_callocate(u32 size);
void acpi_free(void *address);
/*
* ACPI table load/unload interfaces
*/

27
include/acpi/actypes.h
View file

@ -306,6 +306,33 @@ typedef u32 acpi_physical_address;
#define ACPI_EXPORT_SYMBOL(symbol)
#endif
/*******************************************************************************
*
* Configuration
*
******************************************************************************/
#ifdef ACPI_DBG_TRACK_ALLOCATIONS
/*
* Memory allocation tracking (used by acpi_exec to detect memory leaks)
*/
#define ACPI_MEM_PARAMETERS _COMPONENT, _acpi_module_name, __LINE__
#define ACPI_ALLOCATE(a) acpi_ut_allocate_and_track ((acpi_size) (a), ACPI_MEM_PARAMETERS)
#define ACPI_ALLOCATE_ZEROED(a) acpi_ut_allocate_zeroed_and_track ((acpi_size) (a), ACPI_MEM_PARAMETERS)
#define ACPI_FREE(a) acpi_ut_free_and_track (a, ACPI_MEM_PARAMETERS)
#define ACPI_MEM_TRACKING(a) a
#else
/*
* Normal memory allocation directly via the OS services layer
*/
#define ACPI_ALLOCATE(a) acpi_os_allocate ((acpi_size) (a))
#define ACPI_ALLOCATE_ZEROED(a) acpi_os_allocate_zeroed ((acpi_size) (a))
#define ACPI_FREE(a) acpi_os_free (a)
#define ACPI_MEM_TRACKING(a)
#endif /* ACPI_DBG_TRACK_ALLOCATIONS */
/******************************************************************************
*
* ACPI Specification constants (Do not change unless the specification changes)

15
include/acpi/platform/aclinux.h
View file

@ -118,6 +118,14 @@ static inline acpi_thread_id acpi_os_get_thread_id(void)
return (acpi_thread_id)(unsigned long)current;
}
/*
* Memory allocation/deallocation
*/
/* Use native linux version of acpi_os_allocate_zeroed */
#define USE_NATIVE_ALLOCATE_ZEROED
/*
* The irqs_disabled() check is for resume from RAM.
* Interrupts are off during resume, just like they are for boot.
@ -140,9 +148,10 @@ static inline void *acpi_os_acquire_object(acpi_cache_t * 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)
static inline void acpi_os_free(void *a)
{
kfree(a);
}
#ifndef CONFIG_PREEMPT
/*