powerpc: Allow mem=x cmdline to work with 4G+

We're currently choking on mem=4g (and above) due to memory_limit
being specified as an unsigned long. Make memory_limit
phys_addr_t to fix this.

Signed-off-by: Becky Bruce <beckyb@kernel.crashing.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

1 files changed, 4 insertions, 4 deletions

diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c
index 5ec6a9e23933..ce01ff2474da 100644
--- a/arch/powerpc/kernel/prom.c
+++ b/arch/powerpc/kernel/prom.c
@@ -426,7 +426,7 @@ static int __init early_parse_mem(char *p)
                 return 1;
 
         memory_limit = PAGE_ALIGN(memparse(p, &p));
-        DBG("memory limit = 0x%lx\n", memory_limit);
+        DBG("memory limit = 0x%llx\n", (unsigned long long)memory_limit);
 
         return 0;
 }
@@ -1160,7 +1160,7 @@ static inline void __init phyp_dump_reserve_mem(void) {}
 
 void __init early_init_devtree(void *params)
 {
-        unsigned long limit;
+        phys_addr_t limit;
 
         DBG(" -> early_init_devtree(%p)\n", params);
 
@@ -1204,7 +1204,7 @@ void __init early_init_devtree(void *params)
 
         limit = memory_limit;
         if (! limit) {
-                unsigned long memsize;
+                phys_addr_t memsize;
 
                 /* Ensure that total memory size is page-aligned, because
                  * otherwise mark_bootmem() gets upset. */
@@ -1218,7 +1218,7 @@ void __init early_init_devtree(void *params)
         lmb_analyze();
         lmb_dump_all();
 
-        DBG("Phys. mem: %lx\n", lmb_phys_mem_size());
+        DBG("Phys. mem: %llx\n", lmb_phys_mem_size());
 
         /* We may need to relocate the flat tree, do it now.
          * FIXME .. and the initrd too? */