commit | adbfa4e6f99689511f1079452508d9d22417544c | [log] [tgz] |
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author | Max Filippov <jcmvbkbc@gmail.com> | Wed Feb 14 16:12:54 2018 -0800 |
committer | Max Filippov <jcmvbkbc@gmail.com> | Wed Jul 11 11:13:33 2018 -0700 |
tree | f4dc68dbca63090aa995105ac8a87f182eb8e05f | |
parent | 3f2bbf443e21584887f954328ceee8515d7691e7 [diff] |
xtensa: support DMA_ATTR_NO_KERNEL_MAPPING attribute An application that doesn't need kernel mapping of the DMA memory it allocates may specify DMA_ATTR_NO_KERNEL_MAPPING attribute to allocation function. Support this attribute and return address of the first struct page that covers the allocation. Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>