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Diffstat (limited to 'libc/sysdeps/unix/sysv/linux/kernel-features.h')
-rw-r--r--libc/sysdeps/unix/sysv/linux/kernel-features.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/libc/sysdeps/unix/sysv/linux/kernel-features.h b/libc/sysdeps/unix/sysv/linux/kernel-features.h
index d91f581a9..58f833e96 100644
--- a/libc/sysdeps/unix/sysv/linux/kernel-features.h
+++ b/libc/sysdeps/unix/sysv/linux/kernel-features.h
@@ -546,3 +546,8 @@
#if __LINUX_KERNEL_VERSION >= 0x020627
# define __ASSUME_SENDMMSG 1
#endif
+
+/* getcpu is a syscall for x86-64 since 3.1. */
+#if defined __x86_64__ && __LINUX_KERNEL_VERSION >= 0x030100
+# define __ASSUME_GETCPU_SYSCALL 1
+#endif