Messages in this thread | | | Date | Wed, 9 Jan 2002 02:40:10 -0700 | From | Erik Andersen <> | Subject | Re: can we make anonymous memory non-EXECUTABLE? |
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On Wed Jan 09, 2002 at 03:11:22AM +0000, Alan Cox wrote: > > One way to do this would be to create a newbrk() syscall which takes a > > permission argument (for new pages.) > > brk(), mmap(). > > Welcome to libc 8)
Umm. How can libc implement mmap without the kernel handing out the pages? I don't get it.
-Erik
-- Erik B. Andersen http://codepoet-consulting.com/ --This message was written using 73% post-consumer electrons-- - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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