diff -Nur rasdaemon-0.6.7/Makefile.am rasdaemon-0.6.7_new/Makefile.am
--- rasdaemon-0.6.7/Makefile.am	2023-06-02 15:14:06.995338446 +0800
+++ rasdaemon-0.6.7_new/Makefile.am	2023-06-02 15:14:33.789545754 +0800
@@ -2,7 +2,7 @@
 SUBDIRS = libtrace util man
 SYSTEMD_SERVICES_IN = misc/rasdaemon.service.in misc/ras-mc-ctl.service.in
 SYSTEMD_SERVICES = $(SYSTEMD_SERVICES_IN:.service.in=.service)
-EXTRA_DIST = $(SYSTEMD_SERVICES_IN) misc/rasdaemon.env
+EXTRA_DIST = $(SYSTEMD_SERVICES_IN) misc/rasdaemon.env misc/notices
 
 # This rule is needed because \@sbindir\@ is expanded to \${exec_prefix\}/sbin
 # during ./configure phase, therefore it is not possible to add .service.in
diff -Nur rasdaemon-0.6.7/misc/notices/page-ce-offline-post-notice rasdaemon-0.6.7_new/misc/notices/page-ce-offline-post-notice
--- rasdaemon-0.6.7/misc/notices/page-ce-offline-post-notice	1970-01-01 08:00:00.000000000 +0800
+++ rasdaemon-0.6.7_new/misc/notices/page-ce-offline-post-notice	2023-06-02 15:16:14.456324620 +0800
@@ -0,0 +1,17 @@
+#!/bin/sh
+#  This shell script can be executed by rasdaemon after a page goes offline.
+
+cd `dirname $0`
+
+[ -x ./page-ce-offline-post-notice.local ] && . ./page-ce-offline-post-notice.local $1
+
+if [ -d page-ce-offline-post-notice.extern ]
+then
+    ls page-ce-offline-post-notice.extern |
+    while read item
+    do
+        [ -x ./page-ce-offline-post-notice.extern/$item ] && . ./page-ce-offline-post-notice.extern/$item $1
+    done
+fi
+
+exit 0
diff -Nur rasdaemon-0.6.7/misc/notices/page-ce-offline-pre-notice rasdaemon-0.6.7_new/misc/notices/page-ce-offline-pre-notice
--- rasdaemon-0.6.7/misc/notices/page-ce-offline-pre-notice	1970-01-01 08:00:00.000000000 +0800
+++ rasdaemon-0.6.7_new/misc/notices/page-ce-offline-pre-notice	2023-06-02 15:16:39.440517924 +0800
@@ -0,0 +1,17 @@
+#!/bin/sh
+#  This shell script can be executed by rasdaemon before a page goes offline.
+
+cd `dirname $0`
+
+[ -x ./page-ce-offline-pre-notice.local ] && . ./page-ce-offline-pre-notice.local $1
+
+if [ -d page-ce-offline-pre-notice.extern ]
+then
+    ls page-ce-offline-pre-notice.extern |
+    while read item
+    do
+        [ -x ./page-ce-offline-pre-notice.extern/$item ] && . ./page-ce-offline-pre-notice.extern/$item $1
+    done
+fi
+
+exit 0
diff -Nur rasdaemon-0.6.7/misc/rasdaemon.env rasdaemon-0.6.7_new/misc/rasdaemon.env
--- rasdaemon-0.6.7/misc/rasdaemon.env	2023-06-02 15:14:06.994338438 +0800
+++ rasdaemon-0.6.7_new/misc/rasdaemon.env	2023-06-02 15:17:54.307097173 +0800
@@ -27,3 +27,7 @@
 # soft-then-hard   First try to soft offline, then try hard offlining.
 # Note: default offline choice is "soft".
 PAGE_CE_ACTION="soft"
+
+# Notices script when doing memory offline
+PAGE_CE_OFFLINE_PRE_NOTICE="page-ce-offline-pre-notice"
+PAGE_CE_OFFLINE_POST_NOTICE="page-ce-offline-post-notice"
diff -Nur rasdaemon-0.6.7/misc/rasdaemon.spec.in rasdaemon-0.6.7_new/misc/rasdaemon.spec.in
--- rasdaemon-0.6.7/misc/rasdaemon.spec.in	2023-06-02 15:14:06.994338438 +0800
+++ rasdaemon-0.6.7_new/misc/rasdaemon.spec.in	2023-06-02 15:19:03.105629470 +0800
@@ -46,6 +46,8 @@
 make install DESTDIR=%{buildroot}
 install -D -p -m 0644 misc/rasdaemon.service %{buildroot}/%{_unitdir}/rasdaemon.service
 install -D -p -m 0644 misc/ras-mc-ctl.service %{buildroot}%{_unitdir}/ras-mc-ctl.service
+install -d %{buildroot}%{_sysconfdir}/rasdaemon_notices/
+install -D -p -m 0755 misc/notices/* %{buildroot}%{_sysconfdir}/rasdaemon_notices/
 rm INSTALL %{buildroot}/usr/include/*.h
 
 %files
@@ -57,6 +59,7 @@
 %{_sysconfdir}/ras/dimm_labels.d
 @SYSCONFDEFDIR@/%{name}
 %config(noreplace) @SYSCONFDEFDIR@/%{name}
+%config(noreplace) %{_sysconfdir}/rasdaemon_notices/*
 
 %changelog
 
diff -Nur rasdaemon-0.6.7/ras-page-isolation.c rasdaemon-0.6.7_new/ras-page-isolation.c
--- rasdaemon-0.6.7/ras-page-isolation.c	2023-06-02 15:14:06.995338446 +0800
+++ rasdaemon-0.6.7_new/ras-page-isolation.c	2023-06-02 16:06:28.020663355 +0800
@@ -17,12 +17,16 @@
 #include <stdlib.h>
 #include <string.h>
 #include <unistd.h>
+#include <assert.h>
+#include <sys/types.h>
+#include <sys/wait.h>
 #include <sys/stat.h>
 #include <fcntl.h>
 #include <errno.h>
 #include "ras-logger.h"
 #include "ras-page-isolation.h"
 
+#define MAX_PATH_LEN 64
 #define PARSED_ENV_LEN 50
 static const struct config threshold_units[] = {
 	{ "m",	1000 },
@@ -76,6 +80,8 @@
 
 static enum otype offline = OFFLINE_SOFT;
 static struct rb_root page_records;
+static char pre_notice[MAX_PATH_LEN];
+static char post_notice[MAX_PATH_LEN];
 
 static void page_offline_init(void)
 {
@@ -205,16 +211,94 @@
 			threshold_string, cycle_string);
 }
 
+static void page_notice_init(void)
+{
+	char *notice_root = "/etc/rasdaemon_notices";
+	char *pre_re = getenv("PAGE_CE_OFFLINE_PRE_NOTICE");
+	char *post_re = getenv("PAGE_CE_OFFLINE_POST_NOTICE");
+
+	if (offline <= OFFLINE_ACCOUNT)
+		return;
+
+	snprintf(pre_notice, sizeof(pre_notice), "%s/%s", notice_root, pre_re);
+	if (access(pre_notice, R_OK|X_OK) < 0)
+		log(TERM, LOG_ERR, "cannot access page notice '%s'\n", pre_notice);
+
+	snprintf(post_notice, sizeof(post_notice), "%s/%s", notice_root, post_re);
+	if (access(post_notice, R_OK|X_OK) < 0)
+		log(TERM, LOG_ERR, "cannot access page notice '%s'\n", post_notice);
+}
+
 void ras_page_account_init(void)
 {
 	page_offline_init();
 	page_isolation_init();
+	page_notice_init();
+}
+
+static void finish_child(pid_t child, int status)
+{
+	if (WIFEXITED(status) && WEXITSTATUS(status)) {
+		log(TERM, LOG_INFO, "notice exited with status %d\n", WEXITSTATUS(status));
+	} else if (WIFSIGNALED(status)) {
+	        log(TERM, LOG_INFO,"notice died with signal %s\n", strsignal(WTERMSIG(status)));
+	}
+
+	return;
 }
 
+static void __run_notice(char *argv[], char **env)
+{
+	pid_t child;
+	int status;
+
+	child = fork();
+	if (child < 0) {
+		log(TERM, LOG_ERR, "Cannot create process for offline notice");
+                return;
+        }
+        if (child == 0) {
+                execve(argv[0], argv, env);
+                _exit(127);
+        }
+	else {
+		waitpid(child, &status, 0);
+		finish_child(child, status);
+        }
+}
+
+static void run_notice(char *argv[])
+{
+	int MAX_ENV = 20;
+	char *env[MAX_ENV];
+	int ei = 0;
+	int i;
+
+	asprintf(&env[ei++], "PATH=%s", getenv("PATH") ?: "/sbin:/usr/sbin:/bin:/usr/bin");
+	env[ei] = NULL;
+	assert(ei < MAX_ENV);
+
+	__run_notice(argv, env);
+
+	for (i = 0; i < ei; i++)
+		free(env[i]);
+ }
+
 static int do_page_offline(unsigned long long addr, enum otype type)
 {
 	int fd, rc;
 	char buf[20];
+	char *args;
+	char *argv[] = {
+		NULL,
+		NULL,
+		NULL,
+	};
+
+	asprintf(&args, "%llu", addr);
+	argv[0] = (char*)&pre_notice;
+	argv[1] = args;
+	run_notice(argv);
 
 	fd = open(kernel_offline[type], O_WRONLY);
 	if (fd == -1) {
@@ -228,6 +312,12 @@
 		log(TERM, LOG_ERR, "page offline addr(%s) by %s failed, errno:%d\n", buf, kernel_offline[type], errno);
 	}
 	close(fd);
+
+	argv[0] = (char*)&post_notice;
+	run_notice(argv);
+
+	free(args);
+
 	return rc;
 }