NAME
PR_GET_THP_DISABLE - get the state of the "THP disable" flags for the calling thread
LIBRARY
Standard C library (libc, -lc)
SYNOPSIS
#include <linux/prctl.h> /* Definition of PR_* constants */ #include <sys/prctl.h>
int prctl(PR_GET_THP_DISABLE, 0L, 0L, 0L, 0L);
DESCRIPTION
Return a value whose bits indicate how THP-disable is configured for the calling thread. The returned value is interpreted as follows:
- 0b00
-
No THP-disable behavior specified.
- 0b01
-
THP is entirely disabled for this process.
- 0b11
-
THP-except-advised mode is set for this process.
RETURN VALUE
On success, PR_GET_THP_DISABLE, returns the value described above. On error, -1 is returned, and errno is set to indicate the error.
STANDARDS
Linux.
HISTORY
Linux 3.15.