mirror of https://github.com/tailix/libkernaux.git
45 lines
866 B
C
45 lines
866 B
C
#ifndef KERNAUX_INCLUDED_PFA
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#define KERNAUX_INCLUDED_PFA 1
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#include <stdbool.h>
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#define KERNAUX_PFA_PAGE_SIZE (4 * 1024)
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#define KERNAUX_PFA_PAGES_COUNT_MAX (1024 * 1024)
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#ifdef __cplusplus
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extern "C" {
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#endif
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struct KernAux_PFA {
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bool pages[KERNAUX_PFA_PAGES_COUNT_MAX];
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};
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void KernAux_PFA_initialize(struct KernAux_PFA *pfa)
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__attribute__((nonnull));
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void KernAux_PFA_mark_available(
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struct KernAux_PFA *pfa,
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unsigned int start,
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unsigned int end
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)
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__attribute__((nonnull));
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void KernAux_PFA_mark_unavailable(
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struct KernAux_PFA *pfa,
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unsigned int start,
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unsigned int end
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)
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__attribute__((nonnull));
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unsigned int KernAux_PFA_alloc_page(struct KernAux_PFA *pfa)
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__attribute__((nonnull));
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void KernAux_PFA_free_page(struct KernAux_PFA *pfa, unsigned int page_addr)
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__attribute__((nonnull));
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#ifdef __cplusplus
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}
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#endif
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#endif
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