[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, 2 deletions

diff --git a/arch/ppc/mm/44x_mmu.c b/arch/ppc/mm/44x_mmu.c
index 3d79ce281b67..e0152a9b26e6 100644
--- a/arch/ppc/mm/44x_mmu.c
+++ b/arch/ppc/mm/44x_mmu.c
@@ -104,7 +104,7 @@ unsigned long __init mmu_mapin_ram(void)
 
         /* Determine number of entries necessary to cover lowmem */
         pinned_tlbs = (unsigned int)
-                (_ALIGN(total_lowmem, PPC44x_PIN_SIZE) >> PPC44x_PIN_SHIFT);
+                (_ALIGN(total_lowmem, PPC_PIN_SIZE) >> PPC44x_PIN_SHIFT);
 
         /* Write upper watermark to save location */
         tlb_44x_hwater = PPC44x_LOW_SLOT - pinned_tlbs;
@@ -112,7 +112,7 @@ unsigned long __init mmu_mapin_ram(void)
         /* If necessary, set additional pinned TLBs */
         if (pinned_tlbs > 1)
                 for (i = (PPC44x_LOW_SLOT-(pinned_tlbs-1)); i < PPC44x_LOW_SLOT; i++) {
-                        unsigned int phys_addr = (PPC44x_LOW_SLOT-i) * PPC44x_PIN_SIZE;
+                        unsigned int phys_addr = (PPC44x_LOW_SLOT-i) * PPC_PIN_SIZE;
                         ppc44x_pin_tlb(i, phys_addr+PAGE_OFFSET, phys_addr);
                 }