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Compare Revisions

• This comparison shows the changes necessary to convert path

  → /SPARTAN/trunk/generic/include/mm/frame.h @ 479

  → /SPARTAN/trunk/generic/include/mm/frame.h @ 480

  ↔ Reverse comparison

• Compare Path:	Rev

  With Path:	Rev

Ignore whitespace Rev 479 → Rev 480

/SPARTAN/trunk/generic/include/mm/frame.h
1,5 → 1,6
/*
* Copyright (C) 2005 Jakub Jermar
* Copyright (C) 2005 Sergey Bondari
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
38,9 → 39,14
#define FRAME_KA 1 /* skip frames conflicting with user address space */
#define FRAME_PANIC 2 /* panic on failure */
#define FRAME2ADDR(zone, frame) ((zone)->base + ((frame) - (zone)->frames) * FRAME_SIZE)
#define ADDR2FRAME(zone, addr) (&((zone)->frames[((addr) - (zone)->base) / FRAME_SIZE]))
#define FRAME2ADDR(zone, frame) ((zone)->base + ((frame) - (zone)->frames) * FRAME_SIZE)
#define ADDR2FRAME(zone, addr) (&((zone)->frames[((addr) - (zone)->base) / FRAME_SIZE]))
#define FRAME_INDEX(zone, frame) ((count_t)((frame) - (zone)->frames))
#define IS_BUDDY_LEFT_BLOCK(zone, frame) ((FRAME_INDEX((zone), (frame)) % (1 >> ((frame)->buddy_order + 1))) == 0)
#define IS_BUDDY_RIGHT_BLOCK(zone, frame) ((FRAME_INDEX((zone), (frame)) % (1 >> ((frame)->buddy_order + 1))) == (1 >> (frame)->buddy_order))
struct zone {
link_t link; /**< link to previous and next zone */
51,7 → 57,7
count_t free_count; /**< number of frame_t structures in free list */
count_t busy_count; /**< number of frame_t structures not in free list */
buddy_system_t * buddy_system; /**< buddy system allocator for the zone */
buddy_system_t * buddy_system; /**< buddy system for the zone */
int flags;
};
58,7 → 64,7
struct frame {
count_t refcount; /**< when == 0, the frame is in free list */
link_t link; /**< link to zone free list when refcount == 0 */
__u8 order; /**< buddy system block order */
__u8 buddy_order; /**< buddy system block order */
link_t buddy_link; /**< link to the next free block inside one order*/
};
75,6 → 81,7
extern void frame_free(__address addr);
extern void frame_not_free(__address addr);
extern void frame_region_not_free(__address start, __address stop);
zone_t * get_zone_by_frame(frame_t * frame);
/*
* Buddy system operations