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Subject[PATCH v2] fs/Kconfig: Make hugetlbfs a menuconfig
Date
Hugetlb vmemmap default option (HUGETLB_PAGE_OPTIMIZE_VMEMMAP_DEFAULT_ON)
is a sub-option to hugetlbfs, but it shows in the same level as hugetlbfs
itself, under "Pesudo filesystems".

Make the vmemmap option a sub-option to hugetlbfs, by changing hugetlbfs
into a menuconfig. When moving it, fix a typo 'v' spot by Randy.

Cc: Mike Kravetz <mike.kravetz@oracle.com>
Cc: Randy Dunlap <rdunlap@infradead.org>
Cc: Muchun Song <songmuchun@bytedance.com>
Cc: linux-fsdevel@vger.kernel.org
Signed-off-by: Peter Xu <peterx@redhat.com>
---
v2:
- Fix a typo in the relevant area [Randy]
---
fs/Kconfig | 22 ++++++++++++----------
1 file changed, 12 insertions(+), 10 deletions(-)

diff --git a/fs/Kconfig b/fs/Kconfig
index fd1f655b4f1f..0b404e61c80b 100644
--- a/fs/Kconfig
+++ b/fs/Kconfig
@@ -254,7 +254,7 @@ config TMPFS_QUOTA
config ARCH_SUPPORTS_HUGETLBFS
def_bool n

-config HUGETLBFS
+menuconfig HUGETLBFS
bool "HugeTLB file system support"
depends on X86 || SPARC64 || ARCH_SUPPORTS_HUGETLBFS || BROKEN
depends on (SYSFS || SYSCTL)
@@ -266,22 +266,24 @@ config HUGETLBFS

If unsure, say N.

-config HUGETLB_PAGE
- def_bool HUGETLBFS
-
-config HUGETLB_PAGE_OPTIMIZE_VMEMMAP
- def_bool HUGETLB_PAGE
- depends on ARCH_WANT_OPTIMIZE_HUGETLB_VMEMMAP
- depends on SPARSEMEM_VMEMMAP
-
+if HUGETLBFS
config HUGETLB_PAGE_OPTIMIZE_VMEMMAP_DEFAULT_ON
bool "HugeTLB Vmemmap Optimization (HVO) defaults to on"
default n
depends on HUGETLB_PAGE_OPTIMIZE_VMEMMAP
help
- The HugeTLB VmemmapvOptimization (HVO) defaults to off. Say Y here to
+ The HugeTLB Vmemmap Optimization (HVO) defaults to off. Say Y here to
enable HVO by default. It can be disabled via hugetlb_free_vmemmap=off
(boot command line) or hugetlb_optimize_vmemmap (sysctl).
+endif # HUGETLBFS
+
+config HUGETLB_PAGE
+ def_bool HUGETLBFS
+
+config HUGETLB_PAGE_OPTIMIZE_VMEMMAP
+ def_bool HUGETLB_PAGE
+ depends on ARCH_WANT_OPTIMIZE_HUGETLB_VMEMMAP
+ depends on SPARSEMEM_VMEMMAP

config ARCH_HAS_GIGANTIC_PAGE
bool
--
2.41.0
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