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memfd: make memfd_open() skip fd attributes not needed for vma mapping #2244

Merged
merged 1 commit into from
Aug 24, 2023
Merged

memfd: make memfd_open() skip fd attributes not needed for vma mapping #2244

merged 1 commit into from
Aug 24, 2023

Commits on Aug 24, 2023

  1. memfd: don't set fd attributes not needed for vma mapping 

    There is only one user of memfd_open() outside of memfd.c: open_filemap().
It is restoring a file-backed mapping and doesn't need nor expect to
update F_SETOWN nor the fd's position.  Check the inherited_fd() handling
in the callers to simplify the code.

Signed-off-by: Michał Mirosław <[email protected]>
    @osctobe
    osctobe committed Aug 24, 2023
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