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authorDavid S. Miller <davem@davemloft.net>2014-06-25 22:40:43 -0700
committerDavid S. Miller <davem@davemloft.net>2014-06-25 22:40:43 -0700
commit9b8d90b963dcc6d3f3f6a616b3547ea1c8b03525 (patch)
treebca8230897630ca6721bdd7b959142984afa256a /arch/powerpc/sysdev/dart_iommu.c
parent644a918d20336a7deaa81f675c3c2f25bf3dafbb (diff)
parentd7933ab727ed035bdf420d7381b831ba959cecc5 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Diffstat (limited to 'arch/powerpc/sysdev/dart_iommu.c')
-rw-r--r--arch/powerpc/sysdev/dart_iommu.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/powerpc/sysdev/dart_iommu.c b/arch/powerpc/sysdev/dart_iommu.c
index 62c47bb76517..9e5353ff6d1b 100644
--- a/arch/powerpc/sysdev/dart_iommu.c
+++ b/arch/powerpc/sysdev/dart_iommu.c
@@ -476,6 +476,11 @@ void __init alloc_dart_table(void)
*/
dart_tablebase = (unsigned long)
__va(memblock_alloc_base(1UL<<24, 1UL<<24, 0x80000000L));
+ /*
+ * The DART space is later unmapped from the kernel linear mapping and
+ * accessing dart_tablebase during kmemleak scanning will fault.
+ */
+ kmemleak_no_scan((void *)dart_tablebase);
printk(KERN_INFO "DART table allocated at: %lx\n", dart_tablebase);
}