nathan/Chromebook-Device-Nyan-NVIDIA-Tegra-K1-T124-Upstream-Linux-3.10-LTS-Kernel
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Backported memfd_create() system call

Browse Source
This commit is contained in:
Nathan
2025-04-07 00:23:38 -05:00
parent 3d1c55ae1e
commit eee847d17d
12 changed files with 258 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

15
include/uapi/linux/fcntl.h
View File

@@ -27,6 +27,21 @@
#define F_SETPIPE_SZ (F_LINUX_SPECIFIC_BASE + 7)
#define F_GETPIPE_SZ (F_LINUX_SPECIFIC_BASE + 8)
/*
* Set/Get seals
*/
#define F_ADD_SEALS (F_LINUX_SPECIFIC_BASE + 9)
#define F_GET_SEALS (F_LINUX_SPECIFIC_BASE + 10)
/*
* Types of seals
*/
#define F_SEAL_SEAL 0x0001 /* prevent further seals from being set */
#define F_SEAL_SHRINK 0x0002 /* prevent file from shrinking */
#define F_SEAL_GROW 0x0004 /* prevent file from growing */
#define F_SEAL_WRITE 0x0008 /* prevent writes */
/* (1U << 31) is reserved for signed error codes */
/*
* Types of directory notifications that may be requested.
*/

8
include/uapi/linux/memfd.h Normal file
View File

@@ -0,0 +1,8 @@
#ifndef _UAPI_LINUX_MEMFD_H
#define _UAPI_LINUX_MEMFD_H
/* flags for memfd_create(2) (unsigned int) */
#define MFD_CLOEXEC 0x0001U
#define MFD_ALLOW_SEALING 0x0002U
#endif /* _UAPI_LINUX_MEMFD_H */