NAME¶

PR_SET_MM_START_STACK - modify kernel memory map descriptor fields

LIBRARY¶

Standard C library (libc, -lc)

SYNOPSIS¶

#include <linux/prctl.h>  /* Definition of PR_* constants */
#include <sys/prctl.h>

int prctl(PR_SET_MM, PR_SET_MM_START_STACK, unsigned long addr, 0L, 0L);

DESCRIPTION¶

Set the start address of the stack. The corresponding memory area must be readable and writable.

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

The permissions of the corresponding memory area are not as required.

STANDARDS¶

Linux.

HISTORY¶

Linux 3.3.

SEE ALSO¶

prctl(2), PR_SET_MM(2const)