shmsz            29635 ext/sqlite3/libsqlite/sqlite3.c   int shmsz = 32*1024;            /* SHM region size */
shmsz            29638 ext/sqlite3/libsqlite/sqlite3.c   if( pgsz<shmsz ) return 1;
shmsz            29639 ext/sqlite3/libsqlite/sqlite3.c   return pgsz/shmsz;