Messages in this thread Patch in this message | | | Date | Mon, 12 Jul 2010 13:50:41 +0100 | From | Stefano Stabellini <> | Subject | Re: [PATCH] remove mmu notifier calls in apply_to_page_range |
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On Fri, 9 Jul 2010, Jeremy Fitzhardinge wrote: > Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> > Cc: Andrea Arcangeli <aarcange@redhat.com> > > diff --git a/mm/memory.c b/mm/memory.c > index 6ab19dd..d6b89eb 100644 > --- a/mm/memory.c > +++ b/mm/memory.c > @@ -1890,7 +1890,6 @@ int apply_to_page_range(struct mm_struct *mm, unsigned long addr, > int err; > > BUG_ON(addr >= end); > - mmu_notifier_invalidate_range_start(mm, start, end); > pgd = pgd_offset(mm, addr); > do { > next = pgd_addr_end(addr, end); > @@ -1898,7 +1897,7 @@ int apply_to_page_range(struct mm_struct *mm, unsigned long addr, > if (err) > break; > } while (pgd++, addr = next, addr != end); > - mmu_notifier_invalidate_range_end(mm, start, end); > + > return err; > } > EXPORT_SYMBOL_GPL(apply_to_page_range); > > >
The local variable start in apply_to_page_range is not used anymore: remove it.
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
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diff --git a/mm/memory.c b/mm/memory.c index 9d33bfe..0a47927 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -1989,7 +1989,7 @@ int apply_to_page_range(struct mm_struct *mm, unsigned long addr, { pgd_t *pgd; unsigned long next; - unsigned long start = addr, end = addr + size; + unsigned long end = addr + size; int err; BUG_ON(addr >= end);
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