1 files changed, 3 insertions, 0 deletions

diff --git a/include/asm-powerpc/vdso_datapage.h b/include/asm-powerpc/vdso_datapage.h
index 7aa92086c3fb..8a94f0eba5e9 100644
--- a/include/asm-powerpc/vdso_datapage.h
+++ b/include/asm-powerpc/vdso_datapage.h
@@ -55,6 +55,9 @@ struct vdso_data {
                 __u32 minor;            /* Minor number                 0x14 */
         } version;
 
+        /* Note about the platform flags: it now only contains the lpar
+         * bit. The actual platform number is dead and burried
+         */
         __u32 platform;                 /* Platform flags               0x18 */
         __u32 processor;                /* Processor type               0x1C */
         __u64 processorCount;           /* # of physical processors     0x20 */