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For the program/shared libraries, the remote-access delays longer then the  local-access. So, is it possible to implement the per-node page cache for programs/libraries?    We can do it like this:         1.) Add a new system call to control specific files to NUMA-aware, such as:                    set_numa_aware("/usr/lib/libc.so", enable);             After the system call, the page cache of libc.so has the flags "NUMA_ENABLED"         2.) When A new process tries to setup the MMU page table for libc.so, it will check              if NUMA_ENABLED is set. If it set, the kernel will give a page which is bind to the process's NUMA node.              By this way, we can eliminate the remote-access for programs/shared library. Is this proposal ok?  Or do you have a better idea? Thanks Huang Shijie