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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_X86_SECTIONS_H
#define _ASM_X86_SECTIONS_H
#define arch_is_kernel_initmem_freed arch_is_kernel_initmem_freed
#include <asm-generic/sections.h>
#include <asm/extable.h>
extern char __brk_base[], __brk_limit[];
extern char __end_rodata_aligned[];
#if defined(CONFIG_X86_64)
extern char __end_rodata_hpage_align[];
#endif
extern char __end_of_kernel_reserve[];
extern unsigned long _brk_start, _brk_end;
static inline bool arch_is_kernel_initmem_freed(unsigned long addr)
{
/*
* If _brk_start has not been cleared, brk allocation is incomplete,
* and we can not make assumptions about its use.
*/
if (_brk_start)
return 0;
/*
* After brk allocation is complete, space between _brk_end and _end
* is available for allocation.
*/
return addr >= _brk_end && addr < (unsigned long)&_end;
}
#endif /* _ASM_X86_SECTIONS_H */
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