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author | Baoquan He <bhe@redhat.com> | 2020-04-07 06:07:03 +0300 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2020-04-07 20:43:40 +0300 |
commit | 37bc15020a96035cb157be5864b958672fe02d7c (patch) | |
tree | 3f189646ac8d1fcd92bb712c840dee078797ecb5 /mm/filemap.c | |
parent | 5d87255cadde243763ca22b35e01312550114167 (diff) | |
download | linux-37bc15020a96035cb157be5864b958672fe02d7c.tar.xz |
mm/sparse.c: introduce a new function clear_subsection_map()
Factor out the code which clear subsection map of one memory region from
section_deactivate() into clear_subsection_map().
And also add helper function is_subsection_map_empty() to check if the
current subsection map is empty or not.
Signed-off-by: Baoquan He <bhe@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: David Hildenbrand <david@redhat.com>
Acked-by: Pankaj Gupta <pankaj.gupta.linux@gmail.com>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Wei Yang <richard.weiyang@gmail.com>
Link: http://lkml.kernel.org/r/20200312124414.439-3-bhe@redhat.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/filemap.c')
0 files changed, 0 insertions, 0 deletions