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#include <synch/spinlock.h>
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#include <synch/spinlock.h>
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#include <mm/buddy.h>
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#include <mm/buddy.h>
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#define ONE_FRAME   0
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#define ONE_FRAME   0
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#define FRAME_KA    1   /* skip frames conflicting with user address space */
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#define FRAME_KA        1   /* skip frames conflicting with user address space */
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#define FRAME_PANIC 2   /* panic on failure */
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#define FRAME_PANIC     2   /* panic on failure */
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#define FRAME_NON_BLOCKING  4   /* do not panic and do not sleep on failure */
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#define FRAME_OK        0   /* frame_alloc return status */
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#define FRAME_NO_MEMORY     1   /* frame_alloc return status */
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#define FRAME_ERROR     2   /* frame_alloc return status */
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#define FRAME2ADDR(zone, frame)         ((zone)->base + ((frame) - (zone)->frames) * FRAME_SIZE)
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#define FRAME2ADDR(zone, frame)         ((zone)->base + ((frame) - (zone)->frames) * FRAME_SIZE)
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#define ADDR2FRAME(zone, addr)          (&((zone)->frames[((addr) - (zone)->base) / FRAME_SIZE]))
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#define ADDR2FRAME(zone, addr)          (&((zone)->frames[((addr) - (zone)->base) / FRAME_SIZE]))
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#define FRAME_INDEX(zone, frame)        ((index_t)((frame) - (zone)->frames))
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#define FRAME_INDEX(zone, frame)        ((index_t)((frame) - (zone)->frames))
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#define FRAME_INDEX_VALID(zone, index)      (((index) >= 0) && ((index) < ((zone)->free_count + (zone)->busy_count)))
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#define FRAME_INDEX_VALID(zone, index)      (((index) >= 0) && ((index) < ((zone)->free_count + (zone)->busy_count)))
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extern zone_t *zone_create(__address start, size_t size, int flags);
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extern zone_t *zone_create(__address start, size_t size, int flags);
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extern void zone_attach(zone_t *zone);
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extern void zone_attach(zone_t *zone);
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extern void frame_init(void);
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extern void frame_init(void);
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extern void frame_initialize(frame_t *frame, zone_t *zone);
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extern void frame_initialize(frame_t *frame, zone_t *zone);
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__address frame_alloc(int flags, __u8 order);
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__address frame_alloc(int flags, __u8 order, int * status);
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extern void frame_free(__address addr);
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extern void frame_free(__address addr);
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zone_t * get_zone_by_frame(frame_t * frame);
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zone_t * get_zone_by_frame(frame_t * frame);
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/*
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/*
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 * Buddy system operations
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 * Buddy system operations
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 */
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 */