Commit 33cd47dc authored Apr 10, 2018 by Jérôme Glisse Committed by Linus Torvalds Apr 11, 2018

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>

parent b2744118

mm/hmm.c

+8 −8

Original line number	Diff line number	Diff line
		@@ -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;

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