From 91173c6e18ab410fac12667656ab7cc3363687cc Mon Sep 17 00:00:00 2001 From: Randy Dunlap Date: Fri, 31 May 2019 22:29:57 -0700 Subject: mm: fix Documentation/vm/hmm.rst Sphinx warnings MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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: 023a019a9b4e ("mm/hmm: add default fault flags to avoid the need to pre-fill pfns arrays") Signed-off-by: Randy Dunlap Reviewed-by: Jérôme Glisse Reviewed-by: Mike Rapoport Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- Documentation/vm/hmm.rst | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) (limited to 'Documentation') diff --git a/Documentation/vm/hmm.rst b/Documentation/vm/hmm.rst index ec1efa32af3c..7cdf7282e022 100644 --- a/Documentation/vm/hmm.rst +++ b/Documentation/vm/hmm.rst @@ -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); -- cgit v1.2.3-58-ga151