Messages in this thread |  | | Subject | Re: Security question: "Text file busy" overwriting executables but not shared libraries? | From | Xavier Bestel <> | Date | 14 Oct 2001 10:17:24 +0200 |
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le dim 14-10-2001 à 08:49, Eric W. Biederman a écrit : > Also read-with-PAGE_COPY has some really interesting implications for the > page out routines. Because anytime you start the page out you have to > copy the page. Not exactly when you want to increase the memory presure. > And not at all suitable for shared libraries.
I didn't understood very well why you would want to swap out a page marked PAGE_COPY ? Doesn't it make sense to special-case it and just leave it "in the file", as long as it's untouched ?
Xav
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