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authorRandy Dunlap <rdunlap@infradead.org>2019-06-01 07:29:57 +0200
committerLinus Torvalds <torvalds@linux-foundation.org>2019-06-02 00:51:31 +0200
commit91173c6e18ab410fac12667656ab7cc3363687cc (patch)
tree0e29183987b3fdcda6e25eb972fad460792a5c11 /Documentation/vm/hmm.rst
parentMerge tag 'spdx-5.2-rc3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/g... (diff)
downloadlinux-91173c6e18ab410fac12667656ab7cc3363687cc.tar.xz
linux-91173c6e18ab410fac12667656ab7cc3363687cc.zip
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: 023a019a9b4e ("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>
Diffstat (limited to '')
-rw-r--r--Documentation/vm/hmm.rst8
1 files changed, 5 insertions, 3 deletions
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);