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Peter Collingbourne
ef6458b1b6
As with PG_arch_2, this flag is only allowed on 64-bit architectures due to the shortage of bits available. It will be used by the arm64 MTE code in subsequent patches. Signed-off-by: Peter Collingbourne <[email protected]> Cc: Will Deacon <[email protected]> Cc: Marc Zyngier <[email protected]> Cc: Steven Price <[email protected]> [[email protected]: added flag preserving in __split_huge_page_tail()] Signed-off-by: Catalin Marinas <[email protected]> Reviewed-by: Steven Price <[email protected]> Signed-off-by: Marc Zyngier <[email protected]> Link: https://lore.kernel.org/r/[email protected]
24 lines
551 B
C
24 lines
551 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef LINUX_KERNEL_PAGE_FLAGS_H
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#define LINUX_KERNEL_PAGE_FLAGS_H
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#include <uapi/linux/kernel-page-flags.h>
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/* kernel hacking assistances
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* WARNING: subject to change, never rely on them!
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*/
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#define KPF_RESERVED 32
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#define KPF_MLOCKED 33
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#define KPF_MAPPEDTODISK 34
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#define KPF_PRIVATE 35
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#define KPF_PRIVATE_2 36
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#define KPF_OWNER_PRIVATE 37
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#define KPF_ARCH 38
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#define KPF_UNCACHED 39
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#define KPF_SOFTDIRTY 40
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#define KPF_ARCH_2 41
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#define KPF_ARCH_3 42
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#endif /* LINUX_KERNEL_PAGE_FLAGS_H */
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