mm: fix Committed_AS underflow on large NR_CPUS environment

[deliverable/linux.git] / fs / proc / meminfo.c

diff --git a/fs/proc/meminfo.c b/fs/proc/meminfo.c
index 74ea974f5ca6d86bd249ee920527be9c95157522..c6b0302af4c40268e9511e34d16f3385f817e1d6 100644 (file)
--- a/fs/proc/meminfo.c
+++ b/fs/proc/meminfo.c
@@ -35,7 +35,7 @@ static int meminfo_proc_show(struct seq_file *m, void *v)
 #define K(x) ((x) << (PAGE_SHIFT - 10))
        si_meminfo(&i);
        si_swapinfo(&i);
-       committed = atomic_long_read(&vm_committed_space);
+       committed = percpu_counter_read_positive(&vm_committed_as);
        allowed = ((totalram_pages - hugetlb_total_pages())
                * sysctl_overcommit_ratio / 100) + total_swap_pages;