Messages in this thread | | | Date | Sat, 03 Mar 2007 17:28:35 -0500 | From | Rik van Riel <> | Subject | Re: userspace pagecache management tool |
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Andrew Morton wrote: > On Sat, 03 Mar 2007 17:19:00 -0500 Rik van Riel <riel@redhat.com> wrote: > >>> It is *not* a global instruction. It uses setenv, so the user's policy >>> affects only the target process and its forked children. >> ... and all other processes accessing the same file(s)! >> >> Your library and the system calls may be limited to one process, >> but the consequences are global. > > Yes. So what? If the user wants to go and evict libc.so from pagecache > then he can do so - the kernel has provided syscalls with which this can be > done for at least seven years. Bad user, shouldn't do that.
Are you saying the user should not use your script with their backup program?
Then what's the point?
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