| commit | d9c480435add8257f9069941f0e6196647f6d746 | [log] [tgz] |
|---|---|---|
| author | Matthew Wilcox <willy@infradead.org> | Mon Nov 05 16:15:56 2018 -0500 |
| committer | Matthew Wilcox <willy@infradead.org> | Mon Nov 05 16:38:09 2018 -0500 |
| tree | 8e46a69188df371b24c83cf2181d42971336344b | |
| parent | 611f318637daa5710a1d7a0e7dc6cda23914094a [diff] |
XArray: Handle NULL pointers differently for allocation For allocating XArrays, it makes sense to distinguish beteen erasing an entry and storing NULL. Storing NULL keeps the index allocated with a NULL pointer associated with it while xa_erase() frees the index. Some existing IDR users rely on this ability. Signed-off-by: Matthew Wilcox <willy@infradead.org>