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ACPI: pdc init related memory leak with physical CPU hotplug

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arch_acpi_processor_cleanup_pdc() in x86 and ia64 results in memory allocated
for _PDC objects that is never freed and will cause memory leak in case of
physical CPU remove and add. Patch fixes the memory leak by freeing the
objects soon after _PDC is evaluated.

Reported-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
This commit is contained in:
Pallipadi, Venkatesh 2009-06-19 17:14:59 -07:00 • committed by Len Brown
parent 07a2039b8e
commit 7b768f07dc
4 changed files with 28 additions and 0 deletions
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1
include/acpi/processor.h
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@ -258,6 +258,7 @@ DECLARE_PER_CPU(struct acpi_processor *, processors);
extern struct acpi_processor_errata errata;
void arch_acpi_processor_init_pdc(struct acpi_processor *pr);
void arch_acpi_processor_cleanup_pdc(struct acpi_processor *pr);
#ifdef ARCH_HAS_POWER_INIT
void acpi_processor_power_init_bm_check(struct acpi_processor_flags *flags,