[PATCH] powerpc: generalize PPC44x_PIN_SIZE

The following patch generalizes PPC44x_PIN_SIZE by changing it to
PPC_PIN_SIZE, which can be defined by any sub-arch to automatically adjust
VMALLOC_START.

Define PPC_PIN_SIZE on 8xx, avoiding potential conflicts with the
pinned space.

Signed-off-by: Marcelo Tosatti <marcelo.tosatti@cyclades.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>

1 files changed, 2 insertions, 0 deletions

diff --git a/include/asm-ppc/mpc8xx.h b/include/asm-ppc/mpc8xx.h
index 46f159cf589e..73ec9a6db0b1 100644
--- a/include/asm-ppc/mpc8xx.h
+++ b/include/asm-ppc/mpc8xx.h
@@ -113,6 +113,8 @@ enum ppc_sys_devices {
         MPC8xx_CPM_USB,
 };
 
+#define PPC_PIN_SIZE    (24 * 1024 * 1024)      /* 24Mbytes of data pinned */
+
 #ifndef BOARD_CHIP_NAME
 #define BOARD_CHIP_NAME ""
 #endif