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| author | David 'Digit' Turner <digit@google.com> | 2023-04-05 19:21:09 +0200 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2023-04-28 15:55:55 +0200 |
| commit | c5c0fdbe39aa2f65fecd93ab3082b1b8a7e2a318 (patch) | |
| tree | c4fc6b24771c342d800cc506db61d4ca13a51091 /linux-headers/linux/memfd.h | |
| parent | 9fc7dd234f527f411b08e6a266a5ab8e7b79f64f (diff) | |
| download | qemu-c5c0fdbe39aa2f65fecd93ab3082b1b8a7e2a318.zip qemu-c5c0fdbe39aa2f65fecd93ab3082b1b8a7e2a318.tar.gz qemu-c5c0fdbe39aa2f65fecd93ab3082b1b8a7e2a318.tar.bz2 | |
Update linux headers to v6.3rc5
commit 7e364e56293bb98cae1b55fd835f5991c4e96e7d
Signed-off-by: David 'Digit' Turner <digit@google.com>
Message-Id: <20230405172109.3081788-4-digit@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'linux-headers/linux/memfd.h')
| -rw-r--r-- | linux-headers/linux/memfd.h | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/linux-headers/linux/memfd.h b/linux-headers/linux/memfd.h new file mode 100644 index 0000000..01c0324 --- /dev/null +++ b/linux-headers/linux/memfd.h @@ -0,0 +1,39 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ +#ifndef _LINUX_MEMFD_H +#define _LINUX_MEMFD_H + +#include <asm-generic/hugetlb_encode.h> + +/* flags for memfd_create(2) (unsigned int) */ +#define MFD_CLOEXEC 0x0001U +#define MFD_ALLOW_SEALING 0x0002U +#define MFD_HUGETLB 0x0004U +/* not executable and sealed to prevent changing to executable. */ +#define MFD_NOEXEC_SEAL 0x0008U +/* executable */ +#define MFD_EXEC 0x0010U + +/* + * Huge page size encoding when MFD_HUGETLB is specified, and a huge page + * size other than the default is desired. See hugetlb_encode.h. + * All known huge page size encodings are provided here. It is the + * responsibility of the application to know which sizes are supported on + * the running system. See mmap(2) man page for details. + */ +#define MFD_HUGE_SHIFT HUGETLB_FLAG_ENCODE_SHIFT +#define MFD_HUGE_MASK HUGETLB_FLAG_ENCODE_MASK + +#define MFD_HUGE_64KB HUGETLB_FLAG_ENCODE_64KB +#define MFD_HUGE_512KB HUGETLB_FLAG_ENCODE_512KB +#define MFD_HUGE_1MB HUGETLB_FLAG_ENCODE_1MB +#define MFD_HUGE_2MB HUGETLB_FLAG_ENCODE_2MB +#define MFD_HUGE_8MB HUGETLB_FLAG_ENCODE_8MB +#define MFD_HUGE_16MB HUGETLB_FLAG_ENCODE_16MB +#define MFD_HUGE_32MB HUGETLB_FLAG_ENCODE_32MB +#define MFD_HUGE_256MB HUGETLB_FLAG_ENCODE_256MB +#define MFD_HUGE_512MB HUGETLB_FLAG_ENCODE_512MB +#define MFD_HUGE_1GB HUGETLB_FLAG_ENCODE_1GB +#define MFD_HUGE_2GB HUGETLB_FLAG_ENCODE_2GB +#define MFD_HUGE_16GB HUGETLB_FLAG_ENCODE_16GB + +#endif /* _LINUX_MEMFD_H */ |