Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) /* SPDX-License-Identifier: GPL-2.0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) #ifndef _ASM_X86_SECTIONS_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3) #define _ASM_X86_SECTIONS_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5) #define arch_is_kernel_initmem_freed arch_is_kernel_initmem_freed
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7) #include <asm-generic/sections.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) #include <asm/extable.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) extern char __brk_base[], __brk_limit[];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) extern char __cfi_jt_start[], __cfi_jt_end[];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) extern char __end_rodata_aligned[];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #if defined(CONFIG_X86_64)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) extern char __end_rodata_hpage_align[];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) extern char __end_of_kernel_reserve[];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) extern unsigned long _brk_start, _brk_end;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) static inline bool arch_is_kernel_initmem_freed(unsigned long addr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) 	 * If _brk_start has not been cleared, brk allocation is incomplete,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) 	 * and we can not make assumptions about its use.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) 	if (_brk_start)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) 	 * After brk allocation is complete, space between _brk_end and _end
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) 	 * is available for allocation.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) 	return addr >= _brk_end && addr < (unsigned long)&_end;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) #endif	/* _ASM_X86_SECTIONS_H */