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authorAndrew Morton <akpm@linux-foundation.org>2008-11-12 13:26:57 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2008-11-12 17:17:17 -0800
commit7e036d040a28bf95255d7eb9faf0ffbba3677e99 (patch)
tree98203974c15ae4fc5aee5723b385b0f45c331ec7 /kernel/kprobes.c
parent084c304980f05833bc8a91b856af7dc7a7bb7d60 (diff)
kernel/kprobes.c: don't pad kretprobe_table_locks[] on uniprocessor builds
We only need the cacheline padding on SMP kernels. Saves 6k: text data bss dec hex filename 5713 388 8840 14941 3a5d kernel/kprobes.o 5713 388 2632 8733 221d kernel/kprobes.o Acked-by: Masami Hiramatsu <mhiramat@redhat.com> Cc: Ananth N Mavinakayanahalli <ananth@in.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'kernel/kprobes.c')
-rw-r--r--kernel/kprobes.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/kprobes.c b/kernel/kprobes.c
index f83c5e42fb07..9f8a3f25259a 100644
--- a/kernel/kprobes.c
+++ b/kernel/kprobes.c
@@ -72,7 +72,7 @@ static bool kprobe_enabled;
DEFINE_MUTEX(kprobe_mutex); /* Protects kprobe_table */
static DEFINE_PER_CPU(struct kprobe *, kprobe_instance) = NULL;
static struct {
- spinlock_t lock ____cacheline_aligned;
+ spinlock_t lock ____cacheline_aligned_in_smp;
} kretprobe_table_locks[KPROBE_TABLE_SIZE];
static spinlock_t *kretprobe_table_lock_ptr(unsigned long hash)

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