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--- base/allocator/partition_allocator/partition_root.cc.orig 2022-07-22 17:30:31 UTC
+++ base/allocator/partition_allocator/partition_root.cc
@@ -33,7 +33,7 @@
#include "wow64apiset.h"
#endif
-#if BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_CHROMEOS)
+#if BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_CHROMEOS) || BUILDFLAG(IS_BSD)
#include <pthread.h>
#endif
@@ -230,7 +230,7 @@ void PartitionAllocMallocInitOnce() {
if (!g_global_init_called.compare_exchange_strong(expected, true))
return;
-#if BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_CHROMEOS)
+#if BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_CHROMEOS) || BUILDFLAG(IS_BSD)
// When fork() is called, only the current thread continues to execute in the
// child process. If the lock is held, but *not* by this thread when fork() is
// called, we have a deadlock.
@@ -309,7 +309,7 @@ static size_t PartitionPurgeSlotSpan(
constexpr size_t kMaxSlotCount =
(PartitionPageSize() * kMaxPartitionPagesPerRegularSlotSpan) /
SystemPageSize();
-#elif BUILDFLAG(IS_APPLE) || (BUILDFLAG(IS_LINUX) && defined(ARCH_CPU_ARM64))
+#elif BUILDFLAG(IS_APPLE) || ((BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_BSD)) && defined(ARCH_CPU_ARM64))
// It's better for slot_usage to be stack-allocated and fixed-size, which
// demands that its size be constexpr. On IS_APPLE and Linux on arm64,
// PartitionPageSize() is always SystemPageSize() << 2, so regardless of
@@ -655,7 +655,7 @@ void PartitionRoot<thread_safe>::Init(PartitionOptions
// apple OSes.
PA_CHECK((internal::SystemPageSize() == (size_t{1} << 12)) ||
(internal::SystemPageSize() == (size_t{1} << 14)));
-#elif BUILDFLAG(IS_LINUX) && defined(ARCH_CPU_ARM64)
+#elif (BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_BSD)) && defined(ARCH_CPU_ARM64)
// Check runtime pagesize. Though the code is currently the same, it is
// not merged with the IS_APPLE case above as a 1 << 16 case needs to be
// added here in the future, to allow 64 kiB pagesize. That is only
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