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>
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mm/hmm.c
16
mm/hmm.c
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@ -340,14 +340,6 @@ static int hmm_pfns_bad(unsigned long addr,
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return 0;
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}
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static void hmm_pfns_clear(uint64_t *pfns,
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unsigned long addr,
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unsigned long end)
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{
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for (; addr < end; addr += PAGE_SIZE, pfns++)
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*pfns = 0;
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}
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/*
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* hmm_vma_walk_hole() - handle a range lacking valid pmd or pte(s)
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* @start: range virtual start address (inclusive)
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@ -506,6 +498,14 @@ fault:
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return 0;
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}
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static void hmm_pfns_clear(uint64_t *pfns,
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unsigned long addr,
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unsigned long end)
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{
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for (; addr < end; addr += PAGE_SIZE, pfns++)
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*pfns = 0;
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}
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static void hmm_pfns_special(struct hmm_range *range)
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{
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unsigned long addr = range->start, i = 0;
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