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I tried to add a new system call in the system table. As per the documentation,there should be a directory like /arch/x86/syscalls. The syscalls directory is missing in kernel version 4.4.0-22-generic Can somebody help me in this issue and also I need information on how to add a system call to a system table in this kernel version.

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The system call table in kernel 4.x is located in:

linux-4.x/arch/x86/entry/syscalls/syscall_64.tbl

and for 32 bit version:

linux-4.x/arch/x86/entry/syscalls/syscall_32.tbl
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