Solaris madvise() first parameter is caddr_t; Linux, BSDs, etc. is void*.
The cast is safe as void and unsigned char have same alignment.

file upstream bug

diff --git a/Source/bmalloc/bmalloc/VMAllocate.h b/Source/bmalloc/bmalloc/VMAllocate.h
index 580251e..a3e3be3 100644
--- a/Source/bmalloc/bmalloc/VMAllocate.h
+++ b/Source/bmalloc/bmalloc/VMAllocate.h
@@ -204,7 +204,7 @@ inline void vmDeallocatePhysicalPages(void* p, size_t vmSize)
 #elif BOS(FREEBSD)
     SYSCALL(madvise(p, vmSize, MADV_FREE));
 #else
-    SYSCALL(madvise(p, vmSize, MADV_DONTNEED));
+    SYSCALL(madvise(reinterpret_cast<char*>(p), vmSize, MADV_DONTNEED));
 #if BOS(LINUX)
     SYSCALL(madvise(p, vmSize, MADV_DONTDUMP));
 #endif
@@ -217,7 +217,7 @@ inline void vmAllocatePhysicalPages(void* p, size_t vmSize)
 #if BOS(DARWIN)
     SYSCALL(madvise(p, vmSize, MADV_FREE_REUSE));
 #else
-    SYSCALL(madvise(p, vmSize, MADV_NORMAL));
+    SYSCALL(madvise(reinterpret_cast<char*>(p), vmSize, MADV_NORMAL));
 #if BOS(LINUX)
     SYSCALL(madvise(p, vmSize, MADV_DODUMP));
 #endif