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Subject[PATCH 12/15] mm/hmm: move hmm_pfns_clear() closer to where it is use
Date
From: Jérôme Glisse <jglisse@redhat.com>

Move hmm_pfns_clear() closer to where it is use to make it clear it
is not use by page table walkers.

Signed-off-by: Jérôme Glisse <jglisse@redhat.com>
Reviewed-by: John Hubbard <jhubbard@nvidia.com>
Cc: Evgeny Baskakov <ebaskakov@nvidia.com>
Cc: Ralph Campbell <rcampbell@nvidia.com>
Cc: Mark Hairgrove <mhairgrove@nvidia.com>
---
mm/hmm.c | 16 ++++++++--------
1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/mm/hmm.c b/mm/hmm.c
index b4b8b89ee7bb..52cdceb35733 100644
--- a/mm/hmm.c
+++ b/mm/hmm.c
@@ -316,14 +316,6 @@ static int hmm_pfns_bad(unsigned long addr,
return 0;
}

-static void hmm_pfns_clear(uint64_t *pfns,
- unsigned long addr,
- unsigned long end)
-{
- for (; addr < end; addr += PAGE_SIZE, pfns++)
- *pfns = 0;
-}
-
/*
* hmm_vma_walk_hole() - handle a range lacking valid pmd or pte(s)
* @start: range virtual start address (inclusive)
@@ -482,6 +474,14 @@ static int hmm_vma_walk_pmd(pmd_t *pmdp,
return 0;
}

+static void hmm_pfns_clear(uint64_t *pfns,
+ unsigned long addr,
+ unsigned long end)
+{
+ for (; addr < end; addr += PAGE_SIZE, pfns++)
+ *pfns = 0;
+}
+
static void hmm_pfns_special(struct hmm_range *range)
{
unsigned long addr = range->start, i = 0;
--
2.14.3
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