openldap-commit2de...@openldap.org writes:
commit aff2693fc0721df4ccb6ceb357f80501c413ed38
Author: Howard Chu h...@symas.com
Date: Mon Dec 10 12:16:50 2012 -0800
ITS#7455 simplify
Don't try to reclaim overflow pages while operating on
the freelist (for now). The circular
I wrote:
A simple variant of page ranges, to save space and simplify range handling:
/* Page range: (pagecount MDB_PGNO_BITS) | (pageno + pagecount) */
typedef pgno_t mdb_pages_t;
Lone pages get pagecount=1. With MDB_PGCOUNT_BITS = (64bit 4 ? 19 : 12)
MDB_PGCOUNT_BITS =
