--- base/allocator/partition_allocator/partition_alloc.gni.orig	2026-08-13 07:41:05 UTC
+++ base/allocator/partition_allocator/partition_alloc.gni
@@ -110,7 +110,7 @@ if (current_cpu == "x64" || current_cpu == "arm64" || 
 # TODO(crbug.com/329199197): Clean this up when experiments are complete.
 use_large_empty_slot_span_ring = true
 
-has_memory_tagging = current_cpu == "arm64" && is_clang && !is_asan &&
+has_memory_tagging = current_cpu == "arm64" && !is_bsd && is_clang && !is_asan &&
                      !is_hwasan && (is_linux || is_android)
 
 declare_args() {
@@ -542,7 +542,7 @@ assert(!use_asan_backup_ref_ptr || use_raw_ptr_hookabl
 # dependencies that use partition_allocator are compiled in AOSP against a
 # version of glibc that does not include pkeys syscall numbers.
 is_pkeys_available =
-    (is_linux || is_chromeos) && current_cpu == "x64" && !is_cronet_build
+    !is_bsd && (is_linux || is_chromeos) && current_cpu == "x64" && !is_cronet_build
 declare_args() {
   enable_pkeys = is_pkeys_available
 }