ia64: Make sure that we have a mmiowb function real early

[sfrench/cifs-2.6.git] / mm / cma.c

diff --git a/mm/cma.c b/mm/cma.c
index bb2d333ffcb3128db361fbe6053818e5db677170..5e36d7418031cad51bad0864dae3412f7bc8b783 100644 (file)
--- a/mm/cma.c
+++ b/mm/cma.c
@@ -106,8 +106,10 @@ static int __init cma_activate_area(struct cma *cma)
 
        cma->bitmap = kzalloc(bitmap_size, GFP_KERNEL);
 
-       if (!cma->bitmap)
+       if (!cma->bitmap) {
+               cma->count = 0;
                return -ENOMEM;
+       }
 
        WARN_ON_ONCE(!pfn_valid(pfn));
        zone = page_zone(pfn_to_page(pfn));
@@ -367,23 +369,26 @@ err:
 #ifdef CONFIG_CMA_DEBUG
 static void cma_debug_show_areas(struct cma *cma)
 {
-       unsigned long next_zero_bit, next_set_bit;
+       unsigned long next_zero_bit, next_set_bit, nr_zero;
        unsigned long start = 0;
-       unsigned int nr_zero, nr_total = 0;
+       unsigned long nr_part, nr_total = 0;
+       unsigned long nbits = cma_bitmap_maxno(cma);
 
        mutex_lock(&cma->lock);
        pr_info("number of available pages: ");
        for (;;) {
-               next_zero_bit = find_next_zero_bit(cma->bitmap, cma->count, start);
-               if (next_zero_bit >= cma->count)
+               next_zero_bit = find_next_zero_bit(cma->bitmap, nbits, start);
+               if (next_zero_bit >= nbits)
                        break;
-               next_set_bit = find_next_bit(cma->bitmap, cma->count, next_zero_bit);
+               next_set_bit = find_next_bit(cma->bitmap, nbits, next_zero_bit);
                nr_zero = next_set_bit - next_zero_bit;
-               pr_cont("%s%u@%lu", nr_total ? "+" : "", nr_zero, next_zero_bit);
-               nr_total += nr_zero;
+               nr_part = nr_zero << cma->order_per_bit;
+               pr_cont("%s%lu@%lu", nr_total ? "+" : "", nr_part,
+                       next_zero_bit);
+               nr_total += nr_part;
                start = next_zero_bit + nr_zero;
        }
-       pr_cont("=> %u free of %lu total pages\n", nr_total, cma->count);
+       pr_cont("=> %lu free of %lu total pages\n", nr_total, cma->count);
        mutex_unlock(&cma->lock);
 }
 #else