PR_SET_MM_BRK2const
Modify kernel memory map descriptor fields
Usage
#include <linux/prctl.h> /* Definition of PR_* constants */ #include <sys/prctl.h>
int prctl(PR_SET_MM, PR_SET_MM_BRK, unsigned long addr, 0L, 0L);
Library
Standard C library (libc, -lc)
Overview
Set the current brk(2) value.
The requirements for the address are the same as for the PR_SET_MM_START_BRK option.
Return value
On success, 0 is returned. On error, -1 is returned, and errno is set to indicate the error.
Errors
- EINVAL
-
addr is greater than
TASK_SIZE(the limit on the size of the user address space for this architecture).
- EINVAL
-
addr is less than or equal to the end of the data segment or specifies a value that would cause the
RLIMIT_DATAresource limit to be exceeded.
Releases
2 releases since Debian 13 (Trixie); the text changed 1 time.