parisc: inventory.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, 24 insertions, 17 deletions

diff --git a/arch/parisc/kernel/inventory.c b/arch/parisc/kernel/inventory.c
index bd1f7f1ff74e..d228d8237879 100644
--- a/arch/parisc/kernel/inventory.c
+++ b/arch/parisc/kernel/inventory.c
@@ -170,23 +170,27 @@ static void __init pagezero_memconfig(void)
 static int __init 
 pat_query_module(ulong pcell_loc, ulong mod_index)
 {
-        pdc_pat_cell_mod_maddr_block_t pa_pdc_cell;
+        pdc_pat_cell_mod_maddr_block_t *pa_pdc_cell;
         unsigned long bytecnt;
         unsigned long temp;     /* 64-bit scratch value */
         long status;            /* PDC return value status */
         struct parisc_device *dev;
 
+        pa_pdc_cell = kmalloc(sizeof (*pa_pdc_cell), GFP_KERNEL);
+        if (!pa_pdc_cell)
+                panic("couldn't allocate memory for PDC_PAT_CELL!");
+
         /* return cell module (PA or Processor view) */
         status = pdc_pat_cell_module(&bytecnt, pcell_loc, mod_index,
-                                     PA_VIEW, &pa_pdc_cell);
+                                     PA_VIEW, pa_pdc_cell);
 
         if (status != PDC_OK) {
                 /* no more cell modules or error */
                 return status;
         }
 
-        temp = pa_pdc_cell.cba;
-        dev = alloc_pa_dev(PAT_GET_CBA(temp), &pa_pdc_cell.mod_path);
+        temp = pa_pdc_cell->cba;
+        dev = alloc_pa_dev(PAT_GET_CBA(temp), &(pa_pdc_cell->mod_path));
         if (!dev) {
                 return PDC_OK;
         }
@@ -203,8 +207,8 @@ pat_query_module(ulong pcell_loc, ulong mod_index)
 
         /* save generic info returned from the call */
         /* REVISIT: who is the consumer of this? not sure yet... */
-        dev->mod_info = pa_pdc_cell.mod_info;   /* pass to PAT_GET_ENTITY() */
-        dev->pmod_loc = pa_pdc_cell.mod_location;
+        dev->mod_info = pa_pdc_cell->mod_info;  /* pass to PAT_GET_ENTITY() */
+        dev->pmod_loc = pa_pdc_cell->mod_location;
 
         register_parisc_device(dev);    /* advertise device */
 
@@ -216,14 +220,14 @@ pat_query_module(ulong pcell_loc, ulong mod_index)
 
         case PAT_ENTITY_PROC:
                 printk(KERN_DEBUG "PAT_ENTITY_PROC: id_eid 0x%lx\n",
-                        pa_pdc_cell.mod[0]);
+                        pa_pdc_cell->mod[0]);
                 break;
 
         case PAT_ENTITY_MEM:
                 printk(KERN_DEBUG 
                         "PAT_ENTITY_MEM: amount 0x%lx min_gni_base 0x%lx min_gni_len 0x%lx\n",
-                        pa_pdc_cell.mod[0], pa_pdc_cell.mod[1], 
-                        pa_pdc_cell.mod[2]);
+                        pa_pdc_cell->mod[0], pa_pdc_cell->mod[1],
+                        pa_pdc_cell->mod[2]);
                 break;
         case PAT_ENTITY_CA:
                 printk(KERN_DEBUG "PAT_ENTITY_CA: %ld\n", pcell_loc);
@@ -243,23 +247,26 @@ pat_query_module(ulong pcell_loc, ulong mod_index)
  print_ranges:
                 pdc_pat_cell_module(&bytecnt, pcell_loc, mod_index,
                                     IO_VIEW, &io_pdc_cell);
-                printk(KERN_DEBUG "ranges %ld\n", pa_pdc_cell.mod[1]);
-                for (i = 0; i < pa_pdc_cell.mod[1]; i++) {
+                printk(KERN_DEBUG "ranges %ld\n", pa_pdc_cell->mod[1]);
+                for (i = 0; i < pa_pdc_cell->mod[1]; i++) {
                         printk(KERN_DEBUG 
                                 "  PA_VIEW %ld: 0x%016lx 0x%016lx 0x%016lx\n", 
-                                i, pa_pdc_cell.mod[2 + i * 3],  /* type */
-                                pa_pdc_cell.mod[3 + i * 3],     /* start */
-                                pa_pdc_cell.mod[4 + i * 3]);    /* finish (ie end) */
+                                i, pa_pdc_cell->mod[2 + i * 3], /* type */
+                                pa_pdc_cell->mod[3 + i * 3],    /* start */
+                                pa_pdc_cell->mod[4 + i * 3]);   /* finish (ie end) */
                         printk(KERN_DEBUG 
                                 "  IO_VIEW %ld: 0x%016lx 0x%016lx 0x%016lx\n", 
-                                i, io_pdc_cell.mod[2 + i * 3],  /* type */
-                                io_pdc_cell.mod[3 + i * 3],     /* start */
-                                io_pdc_cell.mod[4 + i * 3]);    /* finish (ie end) */
+                                i, io_pdc_cell->mod[2 + i * 3], /* type */
+                                io_pdc_cell->mod[3 + i * 3],    /* start */
+                                io_pdc_cell->mod[4 + i * 3]);   /* finish (ie end) */
                 }
                 printk(KERN_DEBUG "\n");
                 break;
         }
 #endif /* DEBUG_PAT */
+
+        kfree(pa_pdc_cell);
+
         return PDC_OK;
 }