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| author | Matthew Wilcox <willy@infradead.org> | 2018-11-05 16:15:56 -0500 |
|---|---|---|
| committer | Matthew Wilcox <willy@infradead.org> | 2018-11-05 16:38:09 -0500 |
| commit | d9c480435add8257f9069941f0e6196647f6d746 (patch) | |
| tree | 8e46a69188df371b24c83cf2181d42971336344b /Documentation/static-keys.txt | |
| 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>
Diffstat (limited to 'Documentation/static-keys.txt')
0 files changed, 0 insertions, 0 deletions