kmemleak: Do not report alloc_bootmem blocks as leaks
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>
diff --git a/mm/bootmem.c b/mm/bootmem.c
index 701740c..555d5d2 100644
--- a/mm/bootmem.c
+++ b/mm/bootmem.c
@@ -521,7 +521,11 @@
region = phys_to_virt(PFN_PHYS(bdata->node_min_pfn) +
start_off);
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;
}