Changeset 612 for trunk/kernel/mm/page.h
- Timestamp:
- Jan 11, 2019, 6:35:07 PM (5 years ago)
- File:
-
- 1 edited
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trunk/kernel/mm/page.h
r606 r612 37 37 /************************************************************************************* 38 38 * This defines the flags that can be attached to a physical page. 39 * TODO : the PG_BUFFER and PG_IO_ERR flags semantic is not defined [AG]40 39 ************************************************************************************/ 41 40 … … 43 42 #define PG_RESERVED 0x0002 // cannot be allocated by PPM 44 43 #define PG_FREE 0x0004 // page can be allocated by PPM 45 #define PG_IO_ERR 0x0010 // mapper signals access error TODO ??? [AG]46 #define PG_BUFFER 0x0020 // used in blockio.c TODO ??? [AG]47 44 #define PG_DIRTY 0x0040 // page has been written 48 45 #define PG_COW 0x0080 // page is copy-on-write
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