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authorJérôme Glisse <jglisse@redhat.com>2018-04-10 16:28:54 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2018-04-11 10:28:30 -0700
commit33cd47dcbba068850eb73f00cc41090ba26c1e9b (patch)
treee29cbe9d835b0fa835352dbd06755c5e020606df /mm
parentb2744118a65efee90aea95f7cd31bf74eb8009f8 (diff)
downloadlinux-33cd47dcbba068850eb73f00cc41090ba26c1e9b.tar.bz2
mm/hmm: move hmm_pfns_clear() closer to where it is used
Move hmm_pfns_clear() closer to where it is used to make it clear it is not use by page table walkers. Link: http://lkml.kernel.org/r/20180323005527.758-13-jglisse@redhat.com 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> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm')
-rw-r--r--mm/hmm.c16
1 files changed, 8 insertions, 8 deletions
diff --git a/mm/hmm.c b/mm/hmm.c
index c287fbbbf088..05b49a5d6674 100644
--- a/mm/hmm.c
+++ b/mm/hmm.c
@@ -340,14 +340,6 @@ 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)
@@ -506,6 +498,14 @@ fault:
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;