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| H A D | dax.c | fda490d3 Fri Nov 16 14:07:31 CST 2018 Matthew Wilcox <willy@infradead.org> dax: Fix dax_unlock_mapping_entry for PMD pages
Device DAX PMD pages do not set the PageHead bit for compound pages.
Fix for now by retrieving the PMD bit from the entry, but eventually we
will be passed the page size by the caller.
Reported-by: Dan Williams <dan.j.williams@intel.com>
Fixes: 9f32d221301c ("dax: Convert dax_lock_mapping_entry to XArray")
Signed-off-by: Matthew Wilcox <willy@infradead.org>
fda490d3 Fri Nov 16 14:07:31 CST 2018 Matthew Wilcox <willy@infradead.org> dax: Fix dax_unlock_mapping_entry for PMD pages
Device DAX PMD pages do not set the PageHead bit for compound pages.
Fix for now by retrieving the PMD bit from the entry, but eventually we
will be passed the page size by the caller.
Reported-by: Dan Williams <dan.j.williams@intel.com>
Fixes: 9f32d221301c ("dax: Convert dax_lock_mapping_entry to XArray")
Signed-off-by: Matthew Wilcox <willy@infradead.org>
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