4.1-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Dave Hansen <dave.han...@linux.intel.com>

commit bbc03778b9954a2ec93baed63718e4df0192f130 upstream.

flush_tlb_info->flush_start/end are both normal virtual
addresses.  When calculating 'nr_pages' (only used for the
tracepoint), I neglected to put parenthesis in.

Thanks to David Koufaty for pointing this out.

Signed-off-by: Dave Hansen <dave.han...@linux.intel.com>
Cc: Andrew Morton <a...@linux-foundation.org>
Cc: Linus Torvalds <torva...@linux-foundation.org>
Cc: Peter Zijlstra <pet...@infradead.org>
Cc: Thomas Gleixner <t...@linutronix.de>
Cc: d...@sr71.net
Link: http://lkml.kernel.org/r/20150720230153.9e834...@viggo.jf.intel.com
Signed-off-by: Ingo Molnar <mi...@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>

---
 arch/x86/mm/tlb.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/arch/x86/mm/tlb.c
+++ b/arch/x86/mm/tlb.c
@@ -117,7 +117,7 @@ static void flush_tlb_func(void *info)
                } else {
                        unsigned long addr;
                        unsigned long nr_pages =
-                               f->flush_end - f->flush_start / PAGE_SIZE;
+                               (f->flush_end - f->flush_start) / PAGE_SIZE;
                        addr = f->flush_start;
                        while (addr < f->flush_end) {
                                __flush_tlb_single(addr);


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