For PGDATA formats for other versions of OS/2 see:
Pointers
For private data, a PGDATA structure is imbedded in each process' PTDA at (ptda_pgdata +0x80).
For the Global Shared Region the PGDATA structure is located at public symbol _pgShrData.
For the System Arena the PGDATA structure is located at public symbol _pgData.
The tables of PTE counts pointed to by pd_pcalloc, pd_pcpresent and pd_pcresident are located as follows:
System arena:
PGDATA Per Arena Page Table Data.
旼컴컴컴컴컴컴컴컫컴컴쩡컴컴컴컫컴컴쩡컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴커�Field Name �Off �Length �Type�Description � 쳐컴컴컴컴컴컴컴컵컴컴탠컴컴컴컵컴컴탠컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴캑 쿾d_ppte �+0 �4 쿏 쿾ointer to ptes � 쳐컴컴컴컴컴컴컴컵컴컴탠컴컴컴컵컴컴탠컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴캑 쿾d_ppde �+4 �4 쿏 쿾ointer to pdes � 쳐컴컴컴컴컴컴컴컵컴컴탠컴컴컴컵컴컴탠컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴캑 쿾d_pcalloc �+8 �4 쿏 쿾ointer to (word) counts of allocated � � � � � 쿾tes per pde � 쳐컴컴컴컴컴컴컴컵컴컴탠컴컴컴컵컴컴탠컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴캑 쿾d_pcpresent �+c �4 쿏 쿾ointer to (word) counts of present ptes� � � � � 쿾er pde � 쳐컴컴컴컴컴컴컴컵컴컴탠컴컴컴컵컴컴탠컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴캑 쿾d_pcresident �+10 �4 쿏 쿾ointer to (word) counts of � � � � � 쿹ocked/resident ptes � 쳐컴컴컴컴컴컴컴컵컴컴탠컴컴컴컵컴컴탠컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴캑 쿾d_base �+14 �4 쿏 쿫ase virtual page number � 쳐컴컴컴컴컴컴컴컵컴컴탠컴컴컴컵컴컴탠컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴캑 쿾d_pvdmalias �+18 �4 쿏 쿫ase of vdm alias region � 쳐컴컴컴컴컴컴컴컵컴컴탠컴컴컴컵컴컴탠컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴캑 쿾d_maxpde �+1c �2 쿥 쿺ax potential pdes for this arena � 쳐컴컴컴컴컴컴컴컵컴컴탠컴컴컴컵컴컴탠컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴캑 쿾d_cpdelow �+1e �2 쿥 쿬ount of low in-use pdes � 쳐컴컴컴컴컴컴컴컵컴컴탠컴컴컴컵컴컴탠컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴캑 쿾d_cpdehigh �+20 �2 쿥 쿬ount of high in-use pdes � 쳐컴컴컴컴컴컴컴컵컴컴탠컴컴컴컵컴컴탠컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴캑 쿾d_ptcontext �+22 �2 쿥 쿾age table context � 쳐컴컴컴컴컴컴컴컵컴컴탠컴컴컴컵컴컴탠컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴캑 쿾d_flags �+24 �2 쿥 쿾er-process page manager flags � 읕컴컴컴컴컴컴컴컨컴컴좔컴컴컴컨컴컴좔컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴켸
pd_flags flag definitions:
旼컴컴컴컴컴컴컫컴컴컴컴쩡컴컴컴컴컴컴컴컴컴컴컴컴컴컴커 쿙ame 쿍it Mask쿏escription � 쳐컴컴컴컴컴컴컵컴컴컴컴탠컴컴컴컴컴컴컴컴컴컴컴컴컴컴캑 쿛D_AGINGNEEDED�1 쿾rocess not aged in this sweep� 쳐컴컴컴컴컴컴컵컴컴컴컴탠컴컴컴컴컴컴컴컴컴컴컴컴컴컴캑 쿛D_FREE �2 � � 읕컴컴컴컴컴컴컨컴컴컴컴좔컴컴컴컴컴컴컴컴컴컴컴컴컴컴켸