Файловый менеджер - Редактировать - /usr/src/linux-headers-5.15.0-168/arch/x86/include/asm/xen/page-coherent.h
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/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_XEN_PAGE_COHERENT_H #define _ASM_X86_XEN_PAGE_COHERENT_H #include <asm/page.h> #include <linux/dma-mapping.h> static inline void *xen_alloc_coherent_pages(struct device *hwdev, size_t size, dma_addr_t *dma_handle, gfp_t flags, unsigned long attrs) { void *vstart = (void*)__get_free_pages(flags, get_order(size)); *dma_handle = virt_to_phys(vstart); return vstart; } static inline void xen_free_coherent_pages(struct device *hwdev, size_t size, void *cpu_addr, dma_addr_t dma_handle, unsigned long attrs) { free_pages((unsigned long) cpu_addr, get_order(size)); } #endif /* _ASM_X86_XEN_PAGE_COHERENT_H */
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