Commit 91173c6e authored May 31, 2019 by Randy Dunlap Committed by Linus Torvalds Jun 01, 2019

mm: fix Documentation/vm/hmm.rst Sphinx warnings

Fix Sphinx warnings in Documentation/vm/hmm.rst by using "::" notation and
inserting a blank line. Also add a missing ';'.

Documentation/vm/hmm.rst:292: WARNING: Unexpected indentation.
Documentation/vm/hmm.rst:300: WARNING: Unexpected indentation.

Link: http://lkml.kernel.org/r/c5995359-7c82-4e47-c7be-b58a4dda0953@infradead.org

Fixes: 023a019a ("mm/hmm: add default fault flags to avoid the need to pre-fill pfns arrays")
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Reviewed-by: Jérôme Glisse <jglisse@redhat.com>
Reviewed-by: Mike Rapoport <rppt@linux.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

parent 2f4c5334

Documentation/vm/hmm.rst

+5 −3

Original line number	Diff line number	Diff line
		@@ -288,15 +288,17 @@ For instance if the device flags for device entries are:
		WRITE (1 << 62)

		Now let say that device driver wants to fault with at least read a range then
		it does set:
		range->default_flags = (1 << 63)
		it does set::

		range->default_flags = (1 << 63);
		range->pfn_flags_mask = 0;

		and calls hmm_range_fault() as described above. This will fill fault all page
		in the range with at least read permission.

		Now let say driver wants to do the same except for one page in the range for
		which its want to have write. Now driver set:
		which its want to have write. Now driver set::

		range->default_flags = (1 << 63);
		range->pfn_flags_mask = (1 << 62);
		range->pfns[index_of_write] = (1 << 62);