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authorAlex Chiang <achiang@hp.com>2009-12-20 14:23:16 -0500
committerLen Brown <len.brown@intel.com>2009-12-22 03:33:58 -0500
commit43bab25ced218385f7e6a076c2459ea008cfd2e1 (patch)
tree21397c7ff505b58b5d9351da7b6b9628049026ee /include/acpi
parentb9c2db783456bcbce31e2482214cd337528db295 (diff)
ACPI: processor: change acpi_processor_set_pdc() interface
When calling _PDC, we really only need the handle to the processor to call the method; we don't look at any other parts of the struct acpi_processor * given to us. In the early path, when we walk the namespace, we are given the handle directly, so just pass it through to acpi_processor_set_pdc() without stuffing it into a wasteful struct acpi_processor allocated on the stack each time This saves 2834 bytes of stack. Update the interface accordingly. Signed-off-by: Alex Chiang <achiang@hp.com> Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'include/acpi')
-rw-r--r--include/acpi/processor.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/acpi/processor.h b/include/acpi/processor.h
index 0873cd57510c..7cc433d69932 100644
--- a/include/acpi/processor.h
+++ b/include/acpi/processor.h
@@ -323,7 +323,7 @@ static inline int acpi_processor_get_bios_limit(int cpu, unsigned int *limit)
323#endif /* CONFIG_CPU_FREQ */ 323#endif /* CONFIG_CPU_FREQ */
324 324
325/* in processor_pdc.c */ 325/* in processor_pdc.c */
326void acpi_processor_set_pdc(struct acpi_processor *pr); 326void acpi_processor_set_pdc(acpi_handle handle);
327 327
328/* in processor_throttling.c */ 328/* in processor_throttling.c */
329int acpi_processor_tstate_has_changed(struct acpi_processor *pr); 329int acpi_processor_tstate_has_changed(struct acpi_processor *pr);