Use of LP_DELETE in buffer header

I can find no use of LP_DELETE as defined as a flag in storage/itemid.h.
A few places test it, but no one sets it.

Can anyone else? Can I remove it in 7.2?

Never mind. It is used by work Vadim is doing:

---------------------------------------------------------------------------

************
*** 31,44 ****
*/
#define LP_USED 0x01 /* this line pointer is being us ed */

- #ifdef XLOG
-
#define LP_DELETE 0x02 /* item is to be deleted */

#define ItemIdDeleted(itemId) \
(((itemId)->lp_flags & LP_DELETE) != 0)
-
- #endif

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