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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>
hifive-unleashed-5.1
Jérôme Glisse 2018-04-10 16:28:54 -07:00 committed by Linus Torvalds
parent b2744118a6
commit 33cd47dcbb
1 changed files with 8 additions and 8 deletions
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16
mm/hmm.c
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@ -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;