Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
40 lines
1.4 KiB
C
40 lines
1.4 KiB
C
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
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#ifndef _LINUX_MEMFD_H
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#define _LINUX_MEMFD_H
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#include <asm-generic/hugetlb_encode.h>
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/* flags for memfd_create(2) (unsigned int) */
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#define MFD_CLOEXEC 0x0001U
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#define MFD_ALLOW_SEALING 0x0002U
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#define MFD_HUGETLB 0x0004U
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/* not executable and sealed to prevent changing to executable. */
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#define MFD_NOEXEC_SEAL 0x0008U
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/* executable */
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#define MFD_EXEC 0x0010U
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/*
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* Huge page size encoding when MFD_HUGETLB is specified, and a huge page
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* size other than the default is desired. See hugetlb_encode.h.
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* All known huge page size encodings are provided here. It is the
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* responsibility of the application to know which sizes are supported on
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* the running system. See mmap(2) man page for details.
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*/
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#define MFD_HUGE_SHIFT HUGETLB_FLAG_ENCODE_SHIFT
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#define MFD_HUGE_MASK HUGETLB_FLAG_ENCODE_MASK
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#define MFD_HUGE_64KB HUGETLB_FLAG_ENCODE_64KB
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#define MFD_HUGE_512KB HUGETLB_FLAG_ENCODE_512KB
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#define MFD_HUGE_1MB HUGETLB_FLAG_ENCODE_1MB
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#define MFD_HUGE_2MB HUGETLB_FLAG_ENCODE_2MB
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#define MFD_HUGE_8MB HUGETLB_FLAG_ENCODE_8MB
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#define MFD_HUGE_16MB HUGETLB_FLAG_ENCODE_16MB
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#define MFD_HUGE_32MB HUGETLB_FLAG_ENCODE_32MB
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#define MFD_HUGE_256MB HUGETLB_FLAG_ENCODE_256MB
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#define MFD_HUGE_512MB HUGETLB_FLAG_ENCODE_512MB
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#define MFD_HUGE_1GB HUGETLB_FLAG_ENCODE_1GB
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#define MFD_HUGE_2GB HUGETLB_FLAG_ENCODE_2GB
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#define MFD_HUGE_16GB HUGETLB_FLAG_ENCODE_16GB
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#endif /* _LINUX_MEMFD_H */
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