33 lines
699 B
C
33 lines
699 B
C
#ifndef KALLOC_KERNEL_H
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#define KALLOC_KERNEL_H
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/**
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* Kernel memory allocator
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*
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* Allocate one 4096-byte page of physical memory.
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* Returns a pointer that the kernel can use.
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* Returns 0 if the memory cannot be allocated.
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* See: kalloc.c
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*/
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void *kalloc(void);
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/**
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* Kernel memory allocator
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*
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* Free the page of physical memory pointed at by pa,
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* which normally should have been returned by a
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* call to kalloc(). (The exception is when
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* initializing the allocator; see kinit above.)
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* See: kalloc.c
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*/
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void kfree(void *);
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/**
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* Initialize kernel memory allocator
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*
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* Called by main() on the way to the kernel's main loop.
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* See: kalloc.c
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*/
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void kalloc_init(void);
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#endif
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