parisc: processor.c, fix bloated stack frame

The pa_pdc_cell struct can be kmalloc'd, so do that instead.

Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>

1 files changed, 11 insertions, 5 deletions

diff --git a/arch/parisc/kernel/processor.c b/arch/parisc/kernel/processor.c
index 1ca69a808e38..c8fb61ed32f4 100644
--- a/arch/parisc/kernel/processor.c
+++ b/arch/parisc/kernel/processor.c
@@ -120,22 +120,28 @@ static int __cpuinit processor_probe(struct parisc_device *dev)
         if (is_pdc_pat()) {
                 ulong status;
                 unsigned long bytecnt;
-                pdc_pat_cell_mod_maddr_block_t pa_pdc_cell;
+                pdc_pat_cell_mod_maddr_block_t *pa_pdc_cell;
 #undef USE_PAT_CPUID
 #ifdef USE_PAT_CPUID
                 struct pdc_pat_cpu_num cpu_info;
 #endif
 
+                pa_pdc_cell = kmalloc(sizeof (*pa_pdc_cell), GFP_KERNEL);
+                if (!pa_pdc_cell)
+                        panic("couldn't allocate memory for PDC_PAT_CELL!");
+
                 status = pdc_pat_cell_module(&bytecnt, dev->pcell_loc,
-                        dev->mod_index, PA_VIEW, &pa_pdc_cell);
+                        dev->mod_index, PA_VIEW, pa_pdc_cell);
 
                 BUG_ON(PDC_OK != status);
 
                 /* verify it's the same as what do_pat_inventory() found */
-                BUG_ON(dev->mod_info != pa_pdc_cell.mod_info);
-                BUG_ON(dev->pmod_loc != pa_pdc_cell.mod_location);
+                BUG_ON(dev->mod_info != pa_pdc_cell->mod_info);
+                BUG_ON(dev->pmod_loc != pa_pdc_cell->mod_location);
+
+                txn_addr = pa_pdc_cell->mod[0];   /* id_eid for IO sapic */
 
-                txn_addr = pa_pdc_cell.mod[0];   /* id_eid for IO sapic */
+                kfree(pa_pdc_cell);
 
 #ifdef USE_PAT_CPUID
 /* We need contiguous numbers for cpuid. Firmware's notion