x86: 64 bit print out absent pages num too

so users are not confused with memhole causing big total ram

we don't need to worry about 32 bit, because memhole is always
above max_low_pfn.

Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c
index f79a02f64d108dde4de4a35055240f64fae2371b..ad38648bddbd3b66862c5418231c197c2dd3167e 100644 (file)
--- a/arch/x86/mm/init_64.c
+++ b/arch/x86/mm/init_64.c
@@ -884,6 +884,7 @@ static struct kcore_list kcore_mem, kcore_vmalloc, kcore_kernel,
 void __init mem_init(void)
 {
        long codesize, reservedpages, datasize, initsize;
+       unsigned long absent_pages;
 
        start_periodic_check_for_corruption();
 
@@ -899,8 +900,9 @@ void __init mem_init(void)
 #else
        totalram_pages = free_all_bootmem();
 #endif
-       reservedpages = max_pfn - totalram_pages -
-                                       absent_pages_in_range(0, max_pfn);
+
+       absent_pages = absent_pages_in_range(0, max_pfn);
+       reservedpages = max_pfn - totalram_pages - absent_pages;
        after_bootmem = 1;
 
        codesize =  (unsigned long) &_etext - (unsigned long) &_text;
@@ -917,10 +919,11 @@ void __init mem_init(void)
                                 VSYSCALL_END - VSYSCALL_START);
 
        printk(KERN_INFO "Memory: %luk/%luk available (%ldk kernel code, "
-                               "%ldk reserved, %ldk data, %ldk init)\n",
+                        "%ldk absent, %ldk reserved, %ldk data, %ldk init)\n",
                (unsigned long) nr_free_pages() << (PAGE_SHIFT-10),
                max_pfn << (PAGE_SHIFT-10),
                codesize >> 10,
+               absent_pages << (PAGE_SHIFT-10),
                reservedpages << (PAGE_SHIFT-10),
                datasize >> 10,
                initsize >> 10);