mm/vmstat: Make NR_TLB_REMOTE_FLUSH_RECEIVED available even on UP

commit 5dd0b16cdaff9b94da06074d5888b03235c0bf17 upstream.

This fixes CONFIG_SMP=n, CONFIG_DEBUG_TLBFLUSH=y without introducing
further #ifdef soup.  Caught by a Kbuild bot randconfig build.

Signed-off-by: Andy Lutomirski <luto@kernel.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Fixes: ce4a4e565f52 ("x86/mm: Remove the UP asm/tlbflush.h code, always use the (formerly) SMP code")
Link: http://lkml.kernel.org/r/76da9a3cc4415996f2ad2c905b93414add322021.1496673616.git.luto@kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>

diff --git a/include/linux/vm_event_item.h b/include/linux/vm_event_item.h
index ced92345c96307f559d165c56af092e520be3a06..7ad3d612d7532439ea9773b268ce7b1820b37083 100644 (file)
--- a/include/linux/vm_event_item.h
+++ b/include/linux/vm_event_item.h
@@ -73,10 +73,8 @@ enum vm_event_item { PGPGIN, PGPGOUT, PSWPIN, PSWPOUT,
                THP_ZERO_PAGE_ALLOC_FAILED,
 #endif
 #ifdef CONFIG_DEBUG_TLBFLUSH
-#ifdef CONFIG_SMP
                NR_TLB_REMOTE_FLUSH,    /* cpu tried to flush others' tlbs */
                NR_TLB_REMOTE_FLUSH_RECEIVED,/* cpu received ipi for flush */
-#endif /* CONFIG_SMP */
                NR_TLB_LOCAL_FLUSH_ALL,
                NR_TLB_LOCAL_FLUSH_ONE,
 #endif /* CONFIG_DEBUG_TLBFLUSH */