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authorDave Hansen <dave.hansen@linux.intel.com>2015-07-20 16:01:53 -0700
committerIngo Molnar <mingo@kernel.org>2015-07-21 07:45:50 +0200
commitbbc03778b9954a2ec93baed63718e4df0192f130 (patch)
treebf204befdd7492d29456a13fe1cb0a7f7df5f1bd /arch/x86/mm/tlb.c
parent9d634c410b07be7bf637ea03362d3ff132088fe3 (diff)
downloadblackbird-op-linux-bbc03778b9954a2ec93baed63718e4df0192f130.tar.gz
blackbird-op-linux-bbc03778b9954a2ec93baed63718e4df0192f130.zip
x86/mm: Add parenthesis for TLB tracepoint size calculation
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.hansen@linux.intel.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: dave@sr71.net Cc: <stable@vger.kernel.org> Link: http://lkml.kernel.org/r/20150720230153.9E834081@viggo.jf.intel.com Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/mm/tlb.c')
-rw-r--r--arch/x86/mm/tlb.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/mm/tlb.c b/arch/x86/mm/tlb.c
index 3250f2371aea..90b924acd982 100644
--- 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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