mm/PARISC: prepare for removing num_physpages and simplify mem_init()

Prepare for removing num_physpages and simplify mem_init().

Signed-off-by: Jiang Liu <jiang.liu@huawei.com>
Cc: "James E.J. Bottomley" <jejb@parisc-linux.org>
Cc: Helge Deller <deller@gmx.de>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Michal Hocko <mhocko@suse.cz>
Cc: David Rientjes <rientjes@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 3 insertions, 44 deletions

diff --git a/arch/parisc/mm/init.c b/arch/parisc/mm/init.c
index d8aaaf06ede2..b4edc76c6f22 100644
--- a/arch/parisc/mm/init.c
+++ b/arch/parisc/mm/init.c
@@ -214,7 +214,6 @@ static void __init setup_bootmem(void)
         mem_limit_func();       /* check for "mem=" argument */
 
         mem_max = 0;
-        num_physpages = 0;
         for (i = 0; i < npmem_ranges; i++) {
                 unsigned long rsize;
 
@@ -229,10 +228,8 @@ static void __init setup_bootmem(void)
                                 npmem_ranges = i + 1;
                                 mem_max = mem_limit;
                         }
-                num_physpages += pmem_ranges[i].pages;
                         break;
                 }
-            num_physpages += pmem_ranges[i].pages;
                 mem_max += rsize;
         }
 
@@ -532,7 +529,7 @@ void free_initmem(void)
          * pages are no-longer executable */
         flush_icache_range(init_begin, init_end);
         
-        num_physpages += free_initmem_default(-1);
+        free_initmem_default(-1);
 
         /* set up a new led state on systems shipped LED State panel */
         pdc_chassis_send_status(PDC_CHASSIS_DIRECT_BCOMPLETE);
@@ -580,8 +577,6 @@ unsigned long pcxl_dma_start __read_mostly;
 
 void __init mem_init(void)
 {
-        int codesize, reservedpages, datasize, initsize;
-
         /* Do sanity checks on page table constants */
         BUILD_BUG_ON(PTE_ENTRY_SIZE != sizeof(pte_t));
         BUILD_BUG_ON(PMD_ENTRY_SIZE != sizeof(pmd_t));
@@ -603,33 +598,6 @@ void __init mem_init(void)
         }
 #endif
 
-        codesize = (unsigned long)_etext - (unsigned long)_text;
-        datasize = (unsigned long)_edata - (unsigned long)_etext;
-        initsize = (unsigned long)__init_end - (unsigned long)__init_begin;
-
-        reservedpages = 0;
-{
-        unsigned long pfn;
-#ifdef CONFIG_DISCONTIGMEM
-        int i;
-
-        for (i = 0; i < npmem_ranges; i++) {
-                for (pfn = node_start_pfn(i); pfn < node_end_pfn(i); pfn++) {
-                        if (PageReserved(pfn_to_page(pfn)))
-                                reservedpages++;
-                }
-        }
-#else /* !CONFIG_DISCONTIGMEM */
-        for (pfn = 0; pfn < max_pfn; pfn++) {
-                /*
-                 * Only count reserved RAM pages
-                 */
-                if (PageReserved(pfn_to_page(pfn)))
-                        reservedpages++;
-        }
-#endif
-}
-
 #ifdef CONFIG_PA11
         if (hppa_dma_ops == &pcxl_dma_ops) {
                 pcxl_dma_start = (unsigned long)SET_MAP_OFFSET(MAP_START);
@@ -643,15 +611,7 @@ void __init mem_init(void)
         parisc_vmalloc_start = SET_MAP_OFFSET(MAP_START);
 #endif
 
-        printk(KERN_INFO "Memory: %luk/%luk available (%dk kernel code, %dk reserved, %dk data, %dk init)\n",
-                nr_free_pages() << (PAGE_SHIFT-10),
-                num_physpages << (PAGE_SHIFT-10),
-                codesize >> 10,
-                reservedpages << (PAGE_SHIFT-10),
-                datasize >> 10,
-                initsize >> 10
-        );
-
+        mem_init_print_info(NULL);
 #ifdef CONFIG_DEBUG_KERNEL /* double-sanity-check paranoia */
         printk("virtual kernel memory layout:\n"
                "    vmalloc : 0x%p - 0x%p   (%4ld MB)\n"
@@ -1101,7 +1061,6 @@ void flush_tlb_all(void)
 #ifdef CONFIG_BLK_DEV_INITRD
 void free_initrd_mem(unsigned long start, unsigned long end)
 {
-        num_physpages += free_reserved_area((void *)start, (void *)end, -1,
-                                            "initrd");
+        free_reserved_area((void *)start, (void *)end, -1, "initrd");
 }
 #endif