x86: clean up reserve_bootmem_generic() and port it to 32-bit

1. add reserve_bootmem_generic for 32bit
2. change len to unsigned long
3. make early_res_to_bootmem to use it

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 2 insertions, 1 deletions

diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c
index bf7bf1de6c25..b8c2c1ef7ad5 100644
--- a/arch/x86/mm/init_64.c
+++ b/arch/x86/mm/init_64.c
@@ -799,7 +799,8 @@ void free_initrd_mem(unsigned long start, unsigned long end)
 }
 #endif
 
-int __init reserve_bootmem_generic(unsigned long phys, unsigned len, int flags)
+int __init reserve_bootmem_generic(unsigned long phys, unsigned long len,
+                                   int flags)
 {
 #ifdef CONFIG_NUMA
         int nid, next_nid;