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authorthegeorg <thegeorg@yandex-team.com>2022-12-15 19:25:15 +0300
committerthegeorg <thegeorg@yandex-team.com>2022-12-15 19:25:15 +0300
commit0c31d97afd7858af5f8f858c8addf91655ca9ccc (patch)
tree4d8a246db168f7beaafcd06d486c034115c2123d /contrib/libs/linux-headers/linux/memfd.h
parentd1d5f5e00df0dd6efc00880dd8283477fc643aaf (diff)
downloadydb-0c31d97afd7858af5f8f858c8addf91655ca9ccc.tar.gz
Sync linux-headers instead of using system ones
Diffstat (limited to 'contrib/libs/linux-headers/linux/memfd.h')
-rw-r--r--contrib/libs/linux-headers/linux/memfd.h35
1 files changed, 35 insertions, 0 deletions
diff --git a/contrib/libs/linux-headers/linux/memfd.h b/contrib/libs/linux-headers/linux/memfd.h
new file mode 100644
index 0000000000..39ed783fac
--- /dev/null
+++ b/contrib/libs/linux-headers/linux/memfd.h
@@ -0,0 +1,35 @@
+/* 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
+
+/*
+ * 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 */