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8e9205d2a5
Move Real Memory Copy Area allocation to the decompressor. As result, memcpy_real() and memcpy_real_iter() movers become usable since the very moment the kernel starts. Reviewed-by: Heiko Carstens <hca@linux.ibm.com> Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com> Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
17 lines
493 B
C
17 lines
493 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef __ASM_S390_MACCESS_H
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#define __ASM_S390_MACCESS_H
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#include <linux/types.h>
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struct iov_iter;
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extern unsigned long __memcpy_real_area;
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extern pte_t *memcpy_real_ptep;
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size_t memcpy_real_iter(struct iov_iter *iter, unsigned long src, size_t count);
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int memcpy_real(void *dest, unsigned long src, size_t count);
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#ifdef CONFIG_CRASH_DUMP
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int copy_oldmem_kernel(void *dst, unsigned long src, size_t count);
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#endif
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#endif /* __ASM_S390_MACCESS_H */
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