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    Subject[PATCH 4.1 089/123] x86/mm: Add parenthesis for TLB tracepoint size calculation
    Date
    4.1-stable review patch.  If anyone has any objections, please let me know.

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

    From: Dave Hansen <dave.hansen@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.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
    Link: http://lkml.kernel.org/r/20150720230153.9E834081@viggo.jf.intel.com
    Signed-off-by: Ingo Molnar <mingo@kernel.org>
    Signed-off-by: Greg Kroah-Hartman <gregkh@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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