[PATCH 25/38] Make anon_inodes unconditional [ver #10]

David Howells
2018-07-27T17:34:14Z

Make the anon_inodes facility unconditional so that it can be used by core
VFS code.

Signed-off-by: David Howells <dhowells@redhat.com>
---

fs/Makefile | 2 +-
init/Kconfig | 10 ----------
2 files changed, 1 insertion(+), 11 deletions(-)

diff --git a/fs/Makefile b/fs/Makefile
index 9a0b8003f069..ae681523b4b1 100644
--- a/fs/Makefile
+++ b/fs/Makefile
@@ -25,7 +25,7 @@ obj-$(CONFIG_PROC_FS) += proc_namespace.o

obj-y += notify/
obj-$(CONFIG_EPOLL) += eventpoll.o
-obj-$(CONFIG_ANON_INODES) += anon_inodes.o
+obj-y += anon_inodes.o
obj-$(CONFIG_SIGNALFD) += signalfd.o
obj-$(CONFIG_TIMERFD) += timerfd.o
obj-$(CONFIG_EVENTFD) += eventfd.o
diff --git a/init/Kconfig b/init/Kconfig
index 5a52f07259a2..d8303f4af5d2 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -1066,9 +1066,6 @@ config LD_DEAD_CODE_DATA_ELIMINATION
config SYSCTL
bool

-config ANON_INODES
- bool
-
config HAVE_UID16
bool

@@ -1273,14 +1270,12 @@ config HAVE_FUTEX_CMPXCHG
config EPOLL
bool "Enable eventpoll support" if EXPERT
default y
- select ANON_INODES
help
Disabling this option will cause the kernel to be built without
support for epoll family of system calls.

config SIGNALFD
bool "Enable signalfd() system call" if EXPERT
- select ANON_INODES
default y
help
Enable the signalfd() system call that allows to receive signals
@@ -1290,7 +1285,6 @@ config SIGNALFD

config TIMERFD
bool "Enable timerfd() system call" if EXPERT
- select ANON_INODES
default y
help
Enable the timerfd() system call that allows to receive timer
@@ -1300,7 +1294,6 @@ config TIMERFD

config EVENTFD
bool "Enable eventfd() system call" if EXPERT
- select ANON_INODES
default y
help
Enable the eventfd() system call that allows to receive both
@@ -1414,7 +1407,6 @@ config KALLSYMS_BASE_RELATIVE
# syscall, maps, verifier
config BPF_SYSCALL
bool "Enable bpf() system call"
- select ANON_INODES
select BPF
select IRQ_WORK
default n
@@ -1431,7 +1423,6 @@ config BPF_JIT_ALWAYS_ON

config USERFAULTFD
bool "Enable userfaultfd() system call"
- select ANON_INODES
depends on MMU
help
Enable the userfaultfd() system call that allows to intercept and
@@ -1498,7 +1489,6 @@ config PERF_EVENTS
bool "Kernel performance events and counters"
default y if PROFILING
depends on HAVE_PERF_EVENTS
- select ANON_INODES
select IRQ_WORK
select SRCU
help