245 static int __locate_mem_hole_top_down(struct kexec_buf *kbuf,  in __locate_mem_hole_top_down()  argument
273 		start = ALIGN(start, kbuf->buf_align);  in __locate_mem_hole_top_down()
274 		if (start < end && (end - start + 1) >= kbuf->memsz) {  in __locate_mem_hole_top_down()
276 			kbuf->mem = ALIGN_DOWN(end - kbuf->memsz + 1,  in __locate_mem_hole_top_down()
277 					       kbuf->buf_align);  in __locate_mem_hole_top_down()
296 static int locate_mem_hole_top_down_ppc64(struct kexec_buf *kbuf,  in locate_mem_hole_top_down_ppc64()  argument
313 			ret = __locate_mem_hole_top_down(kbuf, tmin, tmax);  in locate_mem_hole_top_down_ppc64()
329 		ret = __locate_mem_hole_top_down(kbuf, tmin, tmax);  in locate_mem_hole_top_down_ppc64()
344 static int __locate_mem_hole_bottom_up(struct kexec_buf *kbuf,  in __locate_mem_hole_bottom_up()  argument
372 		start = ALIGN(start, kbuf->buf_align);  in __locate_mem_hole_bottom_up()
373 		if (start < end && (end - start + 1) >= kbuf->memsz) {  in __locate_mem_hole_bottom_up()
375 			kbuf->mem = start;  in __locate_mem_hole_bottom_up()
394 static int locate_mem_hole_bottom_up_ppc64(struct kexec_buf *kbuf,  in locate_mem_hole_bottom_up_ppc64()  argument
411 			ret = __locate_mem_hole_bottom_up(kbuf, tmin, tmax);  in locate_mem_hole_bottom_up_ppc64()
427 		ret = __locate_mem_hole_bottom_up(kbuf, tmin, tmax);  in locate_mem_hole_bottom_up_ppc64()
719 static int load_backup_segment(struct kimage *image, struct kexec_buf *kbuf)  in load_backup_segment()  argument
736 	kbuf->buffer = buf;  in load_backup_segment()
737 	kbuf->mem = KEXEC_BUF_MEM_UNKNOWN;  in load_backup_segment()
738 	kbuf->bufsz = kbuf->memsz = BACKUP_SRC_SIZE;  in load_backup_segment()
739 	kbuf->top_down = false;  in load_backup_segment()
741 	ret = kexec_add_buffer(kbuf);  in load_backup_segment()
748 	image->arch.backup_start = kbuf->mem;  in load_backup_segment()
787 static int load_elfcorehdr_segment(struct kimage *image, struct kexec_buf *kbuf)  in load_elfcorehdr_segment()  argument
808 	kbuf->buffer = headers;  in load_elfcorehdr_segment()
809 	kbuf->mem = KEXEC_BUF_MEM_UNKNOWN;  in load_elfcorehdr_segment()
810 	kbuf->bufsz = kbuf->memsz = headers_sz;  in load_elfcorehdr_segment()
811 	kbuf->top_down = false;  in load_elfcorehdr_segment()
813 	ret = kexec_add_buffer(kbuf);  in load_elfcorehdr_segment()
819 	image->elf_load_addr = kbuf->mem;  in load_elfcorehdr_segment()
836 				  struct kexec_buf *kbuf)  in load_crashdump_segments_ppc64()  argument
841 	ret = load_backup_segment(image, kbuf);  in load_crashdump_segments_ppc64()
846 	pr_debug("Loaded the backup region at 0x%lx\n", kbuf->mem);  in load_crashdump_segments_ppc64()
849 	ret = load_elfcorehdr_segment(image, kbuf);  in load_crashdump_segments_ppc64()
855 		 image->elf_load_addr, kbuf->bufsz, kbuf->memsz);  in load_crashdump_segments_ppc64()
1138 int arch_kexec_locate_mem_hole(struct kexec_buf *kbuf)  in arch_kexec_locate_mem_hole()  argument
1145 	emem = &(kbuf->image->arch.exclude_ranges);  in arch_kexec_locate_mem_hole()
1148 		return kexec_locate_mem_hole(kbuf);  in arch_kexec_locate_mem_hole()
1151 	buf_min = kbuf->buf_min;  in arch_kexec_locate_mem_hole()
1152 	buf_max = kbuf->buf_max;  in arch_kexec_locate_mem_hole()
1154 	if (kbuf->image->type == KEXEC_TYPE_CRASH) {  in arch_kexec_locate_mem_hole()
1166 	if (kbuf->top_down)  in arch_kexec_locate_mem_hole()
1167 		ret = locate_mem_hole_top_down_ppc64(kbuf, buf_min, buf_max,  in arch_kexec_locate_mem_hole()
1170 		ret = locate_mem_hole_bottom_up_ppc64(kbuf, buf_min, buf_max,  in arch_kexec_locate_mem_hole()
1175 		add_mem_range(emem, kbuf->mem, kbuf->memsz);  in arch_kexec_locate_mem_hole()
1179 		       kbuf->memsz);  in arch_kexec_locate_mem_hole()