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Name	Size	Permission	Date
auxvec.h	218 B	-rw-r--r--	2025-08-13 20:17
bitsperlong.h	564 B	-rw-r--r--	2025-08-13 20:17
bpf_perf_event.h	238 B	-rw-r--r--	2025-08-13 20:17
errno-base.h	1.57 KB	-rw-r--r--	2025-08-13 20:17
errno.h	5.52 KB	-rw-r--r--	2025-08-13 20:17
fcntl.h	5.3 KB	-rw-r--r--	2025-08-13 20:17
hugetlb_encode.h	1.76 KB	-rw-r--r--	2025-08-13 20:17
int-l64.h	718 B	-rw-r--r--	2025-08-13 20:17
int-ll64.h	864 B	-rw-r--r--	2025-08-13 20:17
ioctl.h	3.4 KB	-rw-r--r--	2025-08-13 20:17
ioctls.h	3.89 KB	-rw-r--r--	2025-08-13 20:17
ipcbuf.h	1003 B	-rw-r--r--	2025-08-13 20:17
kvm_para.h	96 B	-rw-r--r--	2025-08-13 20:17
mman-common.h	3.46 KB	-rw-r--r--	2025-08-13 20:17
mman.h	740 B	-rw-r--r--	2025-08-13 20:17
msgbuf.h	1.58 KB	-rw-r--r--	2025-08-13 20:17
param.h	353 B	-rw-r--r--	2025-08-13 20:17
poll.h	878 B	-rw-r--r--	2025-08-13 20:17
posix_types.h	2.32 KB	-rw-r--r--	2025-08-13 20:17
resource.h	1.83 KB	-rw-r--r--	2025-08-13 20:17
sembuf.h	1.51 KB	-rw-r--r--	2025-08-13 20:17
setup.h	190 B	-rw-r--r--	2025-08-13 20:17
shmbuf.h	1.79 KB	-rw-r--r--	2025-08-13 20:17
shmparam.h	231 B	-rw-r--r--	2025-08-13 20:17
siginfo.h	12.21 KB	-rw-r--r--	2025-08-13 20:17
signal-defs.h	800 B	-rw-r--r--	2025-08-13 20:17
signal.h	2.65 KB	-rw-r--r--	2025-08-13 20:17
socket.h	2.42 KB	-rw-r--r--	2025-08-13 20:17
sockios.h	439 B	-rw-r--r--	2025-08-13 20:17
stat.h	2.57 KB	-rw-r--r--	2025-08-13 20:17
statfs.h	1.8 KB	-rw-r--r--	2025-08-13 20:17
swab.h	502 B	-rw-r--r--	2025-08-13 20:17
termbits.h	4.61 KB	-rw-r--r--	2025-08-13 20:17
termios.h	1.34 KB	-rw-r--r--	2025-08-13 20:17
types.h	233 B	-rw-r--r--	2025-08-13 20:17
ucontext.h	357 B	-rw-r--r--	2025-08-13 20:17
unistd.h	27.52 KB	-rw-r--r--	2025-08-13 20:17

Rename

#ifndef _ASM_GENERIC_HUGETLB_ENCODE_H_
#define _ASM_GENERIC_HUGETLB_ENCODE_H_

/*
 * Several system calls take a flag to request "hugetlb" huge pages.
 * Without further specification, these system calls will use the
 * system's default huge page size.  If a system supports multiple
 * huge page sizes, the desired huge page size can be specified in
 * bits [26:31] of the flag arguments.  The value in these 6 bits
 * will encode the log2 of the huge page size.
 *
 * The following definitions are associated with this huge page size
 * encoding in flag arguments.  System call specific header files
 * that use this encoding should include this file.  They can then
 * provide definitions based on these with their own specific prefix.
 * for example:
 * #define MAP_HUGE_SHIFT HUGETLB_FLAG_ENCODE_SHIFT
 */

#define HUGETLB_FLAG_ENCODE_SHIFT	26
#define HUGETLB_FLAG_ENCODE_MASK	0x3f

#define HUGETLB_FLAG_ENCODE_16KB	(14 << HUGETLB_FLAG_ENCODE_SHIFT)
#define HUGETLB_FLAG_ENCODE_64KB	(16 << HUGETLB_FLAG_ENCODE_SHIFT)
#define HUGETLB_FLAG_ENCODE_512KB	(19 << HUGETLB_FLAG_ENCODE_SHIFT)
#define HUGETLB_FLAG_ENCODE_1MB		(20 << HUGETLB_FLAG_ENCODE_SHIFT)
#define HUGETLB_FLAG_ENCODE_2MB		(21 << HUGETLB_FLAG_ENCODE_SHIFT)
#define HUGETLB_FLAG_ENCODE_8MB		(23 << HUGETLB_FLAG_ENCODE_SHIFT)
#define HUGETLB_FLAG_ENCODE_16MB	(24 << HUGETLB_FLAG_ENCODE_SHIFT)
#define HUGETLB_FLAG_ENCODE_32MB	(25 << HUGETLB_FLAG_ENCODE_SHIFT)
#define HUGETLB_FLAG_ENCODE_256MB	(28 << HUGETLB_FLAG_ENCODE_SHIFT)
#define HUGETLB_FLAG_ENCODE_512MB	(29 << HUGETLB_FLAG_ENCODE_SHIFT)
#define HUGETLB_FLAG_ENCODE_1GB		(30 << HUGETLB_FLAG_ENCODE_SHIFT)
#define HUGETLB_FLAG_ENCODE_2GB		(31 << HUGETLB_FLAG_ENCODE_SHIFT)
#define HUGETLB_FLAG_ENCODE_16GB	(34 << HUGETLB_FLAG_ENCODE_SHIFT)

#endif /* _ASM_GENERIC_HUGETLB_ENCODE_H_ */