hugetlb: introduce nr_overcommit_hugepages sysctl

[linux-2.6-block.git] / kernel / sysctl.c

diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index 8ac51714b08ca7ec4261b8544fc62524dad8a3e4..b85a1282605dabd592f4b29a24ed81d157444500 100644 (file)
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -912,6 +912,14 @@ static struct ctl_table vm_table[] = {
                .mode           = 0644,
                .proc_handler   = &proc_dointvec,
        },
+       {
+               .ctl_name       = CTL_UNNUMBERED,
+               .procname       = "nr_overcommit_hugepages",
+               .data           = &nr_overcommit_huge_pages,
+               .maxlen         = sizeof(nr_overcommit_huge_pages),
+               .mode           = 0644,
+               .proc_handler   = &proc_doulongvec_minmax,
+       },
 #endif
        {
                .ctl_name       = VM_LOWMEM_RESERVE_RATIO,