add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/tools/arch/x86/include/asm/unistd_64.h
..
..
@@ -1,4 +1,7 @@
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 /* SPDX-License-Identifier: GPL-2.0 */
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+#ifndef __NR_userfaultfd
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+#define __NR_userfaultfd 282
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+#endif
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 #ifndef __NR_perf_event_open
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 # define __NR_perf_event_open 298
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 #endif