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authorDavide Libenzi <davidel@xmailserver.org>2007-05-10 22:23:11 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-05-11 08:29:36 -0700
commit5dc8bf8132d59c03fe2562bce165c2f03f021687 (patch)
tree308e2acb2264c21c93d57b3fb9fb4869e162aa85 /init/Kconfig
parent325aa33da784e5997c756a151bc46e9cc9b79db2 (diff)
signal/timer/event fds: anonymous inode source
This patch add an anonymous inode source, to be used for files that need and inode only in order to create a file*. We do not care of having an inode for each file, and we do not even care of having different names in the associated dentries (dentry names will be same for classes of file*). This allow code reuse, and will be used by epoll, signalfd and timerfd (and whatever else there'll be). Signed-off-by: Davide Libenzi <davidel@xmailserver.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'init/Kconfig')
-rw-r--r--init/Kconfig10
1 files changed, 10 insertions, 0 deletions
diff --git a/init/Kconfig b/init/Kconfig
index 322b1f8c21b..a80bd8326bc 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -475,9 +475,19 @@ config FUTEX
support for "fast userspace mutexes". The resulting kernel may not
run glibc-based applications correctly.
+config ANON_INODES
+ bool "Enable anonymous inode source" if EMBEDDED
+ default y
+ help
+ Anonymous inode source for pseudo-files like epoll, signalfd,
+ timerfd and eventfd.
+
+ If unsure, say Y.
+
config EPOLL
bool "Enable eventpoll support" if EMBEDDED
default y
+ depends on ANON_INODES
help
Disabling this option will cause the kernel to be built without
support for epoll family of system calls.