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authorLv Zheng <lv.zheng@intel.com>2013-10-29 09:29:27 +0800
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2013-10-30 12:24:21 +0100
commitb3c86c30efd83ebfa7010c5890e2ebf2678e49f8 (patch)
treef354d1d0a7a01d40345b155e3d271ca9275adb09 /include/acpi/platform
parent73424473d0801f7079258897901ba1edc660dbd3 (diff)
downloadop-kernel-dev-b3c86c30efd83ebfa7010c5890e2ebf2678e49f8.zip
op-kernel-dev-b3c86c30efd83ebfa7010c5890e2ebf2678e49f8.tar.gz
ACPICA: Cleanup memory allocation macros and configurability.
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>
Diffstat (limited to 'include/acpi/platform')
-rw-r--r--include/acpi/platform/aclinux.h15
1 files changed, 12 insertions, 3 deletions
diff --git a/include/acpi/platform/aclinux.h b/include/acpi/platform/aclinux.h
index fda0f3e..7346a92 100644
--- a/include/acpi/platform/aclinux.h
+++ b/include/acpi/platform/aclinux.h
@@ -119,6 +119,14 @@ static inline acpi_thread_id acpi_os_get_thread_id(void)
}
/*
+ * 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.
* However, boot has (system_state != SYSTEM_RUNNING)
@@ -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
/*
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