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fs: don't compile in drop_caches.c when CONFIG_SYSCTL=n

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drop_caches.c provides code only invokable via sysctl, so don't compile it
in when CONFIG_SYSCTL=n.

Signed-off-by: Josh Triplett <josh@joshtriplett.org>
Acked-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Josh Triplett
2013-04-29 15:07:22 -07:00
committed by Linus Torvalds
parent 6d2488f64a
commit 146732ce10
3 changed files with 6 additions and 2 deletions
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kernel/sysctl.c
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@@ -106,7 +106,6 @@ extern unsigned int core_pipe_limit;
#endif
extern int pid_max;
extern int pid_max_min, pid_max_max;
extern int sysctl_drop_caches;
extern int percpu_pagelist_fraction;
extern int compat_log;
extern int latencytop_enabled;