Merge: KASLR: proactive backports to v6.14

MR: https://gitlab.com/redhat/centos-stream/src/kernel/centos-stream-9/-/merge_requests/7370

JIRA: https://issues.redhat.com/browse/RHEL-110658

Backport of selected KASLR-related fixes, cleanups, and enhancements targeting upstream v6.14.

Signed-off-by: Ricardo Robaina <rrobaina@redhat.com>

Approved-by: Audra Mitchell <aubaker@redhat.com>
Approved-by: Prarit Bhargava <prarit@redhat.com>
Approved-by: Rafael Aquini <raquini@redhat.com>
Approved-by: CKI KWF Bot <cki-ci-bot+kwf-gitlab-com@redhat.com>

Merged-by: CKI GitLab Kmaint Pipeline Bot <26919896-cki-kmaint-pipeline-bot@users.noreply.gitlab.com>

Author: CKI KWF Bot

arch/x86/boot/compressed/kaslr.c

@@ -25,10 +25,6 @@
 #include "efi.h"
 
 #include <generated/compile.h>
-#include <linux/module.h>
-#include <linux/uts.h>
-#include <linux/utsname.h>
-#include <linux/ctype.h>
 #include <generated/utsrelease.h>
 
 #define _SETUP

arch/x86/mm/kaslr.c

@@ -22,7 +22,7 @@
 
 #include <linux/kernel.h>
 #include <linux/init.h>
-#include <linux/random.h>
+#include <linux/prandom.h>
 #include <linux/memblock.h>
 #include <linux/pgtable.h>