diff --git a/zend_abstract_interface/jit_utils/jit_blacklist.c b/zend_abstract_interface/jit_utils/jit_blacklist.c
index 059c5bba2bf..a9d065ebd01 100644
--- a/zend_abstract_interface/jit_utils/jit_blacklist.c
+++ b/zend_abstract_interface/jit_utils/jit_blacklist.c
@@ -88,10 +88,6 @@ typedef union _zend_op_trace_info {
 
 #define ZEND_OP_TRACE_INFO(opline, offset) \
 	((zend_op_trace_info*)(((char*)opline) + offset))
-
-#ifndef _WIN32
-static int dd_probe_pipes[2];
-#endif
 #endif
 
 #define ZEND_FUNC_INFO(op_array) \
@@ -107,9 +103,6 @@ static void zai_jit_find_opcache_handle(void *ext) {
 
 // opcache startup NULLs its handle. MINIT is executed before extension startup.
 void zai_jit_minit(void) {
-#if PHP_VERSION_ID < 80400 && !defined(_WIN32)
-    pipe(dd_probe_pipes);
-#endif
     zend_llist_apply(&zend_extensions, zai_jit_find_opcache_handle);
 }
 
@@ -185,6 +178,42 @@ int zai_get_zend_func_rid(zend_op_array *op_array) {
     return zend_func_info_rid;
 }
 
+#if defined(__linux__) && (defined(__x86_64__) || defined(__aarch64__)) && PHP_VERSION_ID < 80400
+static bool is_mapped(void *addr, size_t size) {
+    uintptr_t page_size = sysconf(_SC_PAGESIZE);
+    assert(size <= page_size);
+    uintptr_t page_addr = ((uintptr_t)addr & ~(page_size - 1));
+    unsigned char vec;
+
+    uintptr_t last_page_addr = ((uintptr_t)(addr + size - 1) & ~(page_size - 1));
+
+#ifdef __x86_64__
+#define SYS_mincore 0x1B
+#else // aarch64
+#define SYS_mincore 0xE8
+#endif
+
+again:
+    if (syscall(SYS_mincore, page_addr, page_size, &vec) == 0) {
+        if (page_addr == last_page_addr) {
+            return true;
+        } else {
+            page_addr = last_page_addr;
+            goto again;
+        }
+    } else if (errno == EFAULT || errno == ENOMEM) {
+        return false;
+    } else {
+        // we don't know... asume true
+#ifdef ZEND_DEBUG
+        abort();
+#else
+        return true;
+#endif
+    }
+}
+#endif
+
 void zai_jit_blacklist_function_inlining(zend_op_array *op_array) {
 #if PHP_VERSION_ID >= 80400
     if (opcache_handle) {
@@ -210,14 +239,12 @@ void zai_jit_blacklist_function_inlining(zend_op_array *op_array) {
 
     size_t offset = jit_extension->offset;
 
-#ifndef _WIN32
+#if defined(__linux__) && (defined(__x86_64__) || defined(__aarch64__))
     // check whether the op_trace_info is actually readable or EFAULTing
     // we can't trust opcache too much here...
-    char dummy_buf[sizeof(zend_op_trace_info)];
-    if (write(dd_probe_pipes[1], ZEND_OP_TRACE_INFO(opline, offset), sizeof(zend_op_trace_info)) < 0) {
+    if (!is_mapped(ZEND_OP_TRACE_INFO(opline, offset), sizeof(zend_op_trace_info))) {
         return;
     }
-    read(dd_probe_pipes[0], dummy_buf, sizeof(zend_op_trace_info));
 #endif
 
     if (!(ZEND_OP_TRACE_INFO(opline, offset)->trace_flags & ZEND_JIT_TRACE_BLACKLISTED)) {