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The physical memory map for Linux is completely independent from the virtual map and is designed to maximize contiguous space. Given that the kernel image will always be at the start of DRAM, the Linux kernel maximizes contiguous space by allocating runtime memory from the end of physical DRAM movin ......

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$ kill -l
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5) SIGTRAP 6) SIGABRT 7) SIGBUS 8) SIGFPE
9) SIGKILL 10) SIGUSR1 11) SIGSEGV 12) SIGUSR2
13) SIGPIPE 14) SIGALRM 15) SIGTERM 17) SIGCHLD
18) S ......

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