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From: Stefano Stabellini on 12 Jul 2010 09:00
On Fri, 9 Jul 2010, Jeremy Fitzhardinge wrote:
> Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge(a)citrix.com>
> Cc: Andrea Arcangeli <aarcange(a)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(a)eu.citrix.com>

---

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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