mm: hugetlb: introduce a new config HUGETLB_PAGE_FREE_VMEMMAP

[sfrench/cifs-2.6.git] / fs / Kconfig

diff --git a/fs/Kconfig b/fs/Kconfig
index 141a856c50e717a3acd840752dd432477d72888d..58a53455d1fe185f86fb549ec16944a38608b9c3 100644 (file)
--- a/fs/Kconfig
+++ b/fs/Kconfig
@@ -240,6 +240,11 @@ config HUGETLBFS
 config HUGETLB_PAGE
        def_bool HUGETLBFS
 
+config HUGETLB_PAGE_FREE_VMEMMAP
+       def_bool HUGETLB_PAGE
+       depends on X86_64
+       depends on SPARSEMEM_VMEMMAP
+
 config MEMFD_CREATE
        def_bool TMPFS || HUGETLBFS