aboutsummaryrefslogtreecommitdiff
path: root/include
diff options
context:
space:
mode:
authorJosh Triplett <josh@joshtriplett.org>2013-04-29 15:07:22 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2013-04-29 15:54:33 -0700
commit146732ce104ddfed3d4d82722c0b336074016b92 (patch)
tree07185bc6ff143cc669cc9e0a197a3adf0c13004a /include
parent6d2488f64a240191f0733c1f32d73607916b01b7 (diff)
downloadlinux-146732ce104ddfed3d4d82722c0b336074016b92.tar.gz
fs: don't compile in drop_caches.c when CONFIG_SYSCTL=n
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>
Diffstat (limited to 'include')
-rw-r--r--include/linux/mm.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/mm.h b/include/linux/mm.h
index 43b70d5f820..98a44376e4f 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -1731,8 +1731,12 @@ int in_gate_area_no_mm(unsigned long addr);
#define in_gate_area(mm, addr) ({(void)mm; in_gate_area_no_mm(addr);})
#endif /* __HAVE_ARCH_GATE_AREA */
+#ifdef CONFIG_SYSCTL
+extern int sysctl_drop_caches;
int drop_caches_sysctl_handler(struct ctl_table *, int,
void __user *, size_t *, loff_t *);
+#endif
+
unsigned long shrink_slab(struct shrink_control *shrink,
unsigned long nr_pages_scanned,
unsigned long lru_pages);