Hola, I have a program which pread()'s /proc/<pid>/mem. It's similar to kcheat, if anybody has seen that program. Occaisionally, pread() will read less bytes than requested, and I'm not talking about hitting EOF, I'm talking about somewhere in the middle of the mem file. The author of kcheat has clearly found the same wierd problem of not being able to read certain offsets in the mem file. Looking at his sourcecode, he notes the first address unsuccessfully read and calls it a "missing page". He then increments the read pointer by PAGE_SIZE and resumes reading the mem file till he either hits the end of the file or hits another address which can't be read in (and again he skips by PAGE_SIZE and continutes). I'm curious what these "missing pages" are. Is this supposed to be normal? Is there anything I can do to make sure that all of a process's memory is available via pread()s to /proc/<pid>/mem? I'm assuming that if address X can't be read in by pread(), then all addresses up to X + PAGE_SIZE are also unavailable? Pointers to more extensive info would be appreciated. Thanks! Peter -- GPG Fingerprint: B9F1 6CF3 47C4 7CD8 D33E 70A9 A3B9 1945 67EA 951D -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/
