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29 lines
716 B
C
29 lines
716 B
C
#ifndef __KMALLOC_H__
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#define __KMALLOC_H__
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#include <mm/alloc_page.h>
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#include <l4/lib/list.h>
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/* List member to keep track of free and unused regions in subpages.
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* Smallest unit it represents is one byte, but note that it is also
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* used for describing regions that span across multiple pages. */
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struct subpage_area {
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struct list_head list;
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unsigned int vaddr;
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unsigned int size;
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unsigned int used;
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unsigned int head_of_pages; /* Means head of alloc_page() */
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};
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extern struct subpage_area subpage_area_start;
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/* Kmalloc initialisation */
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void kmalloc_init(void);
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/* Kmalloc allocation functions */
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void *kmalloc(int size);
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void *kzalloc(int size);
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int kfree(void *vaddr);
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#endif /* __KMALLOC_H__ */
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