PR_SET_MM_AUXV(2const)                                  PR_SET_MM_AUXV(2const)

NAME
       PR_SET_MM_AUXV - set a new auxiliary vector

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_AUXV,
                 unsigned long addr, unsigned long size, 0L);

DESCRIPTION
       Set a new auxiliary vector.

       addr should provide the address of the vector.  size is the size of the
       vector.

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).

STANDARDS
       Linux.

HISTORY
       Linux 3.5.

SEE ALSO
       prctl(2), PR_SET_MM(2const)

Linux man-pages 6.19              2026-02-08            PR_SET_MM_AUXV(2const)