---
name: "PR_MCE_KILL_CLEAR"
section: "2const"
platform: "linux"
package: "man-pages"
version: "6.19-1"
release: "Arch Linux 2026-11-01"
platforms: ["linux"]
url: "https://new.carta.tech/PR_MCE_KILL_CLEAR"
---

# PR\_MCE\_KILL\_CLEAR(2const)

clear the machine check memory corruption kill policy

## NAME

PR\_MCE\_KILL\_CLEAR - clear the machine check memory corruption kill policy

## LIBRARY

Standard C library (*libc*, *-lc*)

## SYNOPSIS

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

**int prctl(PR\_MCE\_KILL, PR\_MCE\_KILL\_CLEAR, 0L, 0L, 0L);**

## DESCRIPTION

Clear the thread memory corruption kill policy and use the system-wide default.

## RETURN VALUE

On success, 0 is returned. On error, -1 is returned, and *errno* is set to indicate the error.

## FILES

- */proc/sys/vm/memory\_failure\_early\_kill*

  This file defines the system-wide default.

## STANDARDS

Linux.

## HISTORY

Linux 2.6.32.

## SEE ALSO

[**prctl**(2)](/prctl/2.md), [**PR\_MCE\_KILL**(2const)](/PR_MCE_KILL/2const.md), [**proc\_sys\_vm**(5)](/proc_sys_vm/5.md)