Index: chromium-127.0.6533.72/sandbox/linux/system_headers/ppc64_linux_syscalls.h
===================================================================
--- chromium-127.0.6533.72.orig/sandbox/linux/system_headers/ppc64_linux_syscalls.h
+++ chromium-127.0.6533.72/sandbox/linux/system_headers/ppc64_linux_syscalls.h
@@ -8,5 +8,18 @@
 #include <asm/unistd.h>
 
 //TODO: is it necessary to redefine syscall numbers for PPC64?
+// Needed for Ubuntu/Debian/Centos/RHEL:
+#if !defined(__NR_shmget)
+#define __NR_shmget     395
+#endif
+#if !defined(__NR_shmdt)
+#define __NR_shmdt      398
+#endif
+#if !defined(__NR_shmctl)
+#define __NR_shmctl     396
+#endif
+#if !defined(__NR_shmat)
+#define __NR_shmat      397
+#endif
 
 #endif  // SANDBOX_LINUX_SYSTEM_HEADERS_PPC64_LINUX_SYSCALLS_H_