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Diffstat (limited to 'arch/powerpc/sysdev/dart_iommu.c')
-rw-r--r--arch/powerpc/sysdev/dart_iommu.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/powerpc/sysdev/dart_iommu.c b/arch/powerpc/sysdev/dart_iommu.c
index bd968a43a48..9e5353ff6d1 100644
--- a/arch/powerpc/sysdev/dart_iommu.c
+++ b/arch/powerpc/sysdev/dart_iommu.c
@@ -292,6 +292,7 @@ static void iommu_table_dart_setup(void)
iommu_table_dart.it_offset = 0;
/* it_size is in number of entries */
iommu_table_dart.it_size = dart_tablesize / sizeof(u32);
+ iommu_table_dart.it_page_shift = IOMMU_PAGE_SHIFT_4K;
/* Initialize the common IOMMU code */
iommu_table_dart.it_base = (unsigned long)dart_vbase;
@@ -475,6 +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);
}