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https://github.com/drasko/codezero.git
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89d774f7fa
- Added automatic utcb map/prefaulting of forked tasks for fs0 so that it does not need to explicitly request those tasks from mm0. Eliminating fs0 requests to mm0 reduce deadlock possibilities. - Replaced kmalloc with a public malloc implementation because of a bug in kmalloc. - Fixed a kfree bug. default_release_pages was trying to free page_array pages.
32 lines
765 B
C
32 lines
765 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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/*
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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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*/
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struct km_area {
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struct list_head list;
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unsigned long vaddr;
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unsigned long size;
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int used;
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int pg_alloc_pages; /* Means borrowed from alloc_page() */
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};
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extern struct list_head km_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) __attribute__((weak));
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void *kzalloc(int size) __attribute__((weak));
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int kfree(void *vaddr) __attribute__((weak));
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#endif /* __KMALLOC_H__ */
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