Commit 100d13c3 authored May 09, 2012 by Catalin Marinas Committed by Tejun Heo May 09, 2012

kmemleak: Fix the kmemleak tracking of the percpu areas with !SMP

Kmemleak tracks the percpu allocations via a specific API and the
originally allocated areas must be removed from kmemleak (via
kmemleak_free). The code was already doing this for SMP systems.

Reported-by: Sami Liedes <sami.liedes@iki.fi>
Cc: Tejun Heo <tj@kernel.org>
Cc: Christoph Lameter <cl@linux-foundation.org>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Tejun Heo <tj@kernel.org>

parent 42b64281

mm/percpu.c

+2 −0

Original line number	Original line	Diff line number	Diff line
	@@ -1895,6 +1895,8 @@ void __init setup_per_cpu_areas(void)
	fc = __alloc_bootmem(unit_size, PAGE_SIZE, __pa(MAX_DMA_ADDRESS));		fc = __alloc_bootmem(unit_size, PAGE_SIZE, __pa(MAX_DMA_ADDRESS));
	if (!ai \|\| !fc)		if (!ai \|\| !fc)
	panic("Failed to allocate memory for percpu areas.");		panic("Failed to allocate memory for percpu areas.");
			/* kmemleak tracks the percpu allocations separately */
			kmemleak_free(fc);

	ai->dyn_size = unit_size;		ai->dyn_size = unit_size;
	ai->unit_size = unit_size;		ai->unit_size = unit_size;

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