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kmemleak: Do not report alloc_bootmem blocks as leaks

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This patch sets the min_count for alloc_bootmem objects to 0 so that
they are never reported as leaks. This is because many of these blocks
are only referred via the physical address which is not looked up by
kmemleak.

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Cc: Pekka Enberg <penberg@cs.helsinki.fi>
This commit is contained in:
Catalin Marinas 2009-08-27 14:29:17 +01:00
parent fd6789675e
commit 008139d914
1 changed files with 5 additions and 1 deletions
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6
mm/bootmem.c
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@ -521,7 +521,11 @@ static void * __init alloc_bootmem_core(struct bootmem_data *bdata,
region = phys_to_virt(PFN_PHYS(bdata->node_min_pfn) + region = phys_to_virt(PFN_PHYS(bdata->node_min_pfn) +
start_off); start_off);
memset(region, 0, size); memset(region, 0, size);
kmemleak_alloc(region, size, 1, 0); /*
* The min_count is set to 0 so that bootmem allocated blocks
* are never reported as leaks.
*/
kmemleak_alloc(region, size, 0, 0);
return region; return region;
} }