Fix alignment for munmap

am11 · am11 · commit 45f3a4844126 · 2022-07-24T16:48:57.000+03:00
diff --git a/src/coreclr/gc/unix/gcenv.unix.cpp b/src/coreclr/gc/unix/gcenv.unix.cpp
@@ -639,7 +639,11 @@ void GCToOSInterface::YieldThread(uint32_t switchCount)
 static void* VirtualReserveInner(size_t size, size_t alignment, uint32_t flags, uint32_t hugePagesFlag = 0)
 {
     assert(!(flags & VirtualReserveFlags::WriteWatch) && "WriteWatch not supported on Unix");
+#if defined(HOST_ARM64) && defined(TARGET_OSX)
+    if (alignment < OS_PAGE_SIZE)
+#else
     if (alignment == 0)
+#endif
     {
         alignment = OS_PAGE_SIZE;
     }

Original file line number	Diff line number	Diff line change
`@@ -639,7 +639,11 @@ void GCToOSInterface::YieldThread(uint32_t switchCount)`
`639`	`639`	`static void* VirtualReserveInner(size_t size, size_t alignment, uint32_t flags, uint32_t hugePagesFlag = 0)`
`640`	`640`	`{`
`641`	`641`	`assert(!(flags & VirtualReserveFlags::WriteWatch) && "WriteWatch not supported on Unix");`
	`642`	`+#if defined(HOST_ARM64) && defined(TARGET_OSX)`
	`643`	`+ if (alignment < OS_PAGE_SIZE)`
	`644`	`+#else`
`642`	`645`	`if (alignment == 0)`
	`646`	`+#endif`
`643`	`647`	`{`
`644`	`648`	`alignment = OS_PAGE_SIZE;`
`645`	`649`	`}`