Messages in this thread | | | Date | Thu, 19 Mar 1998 02:09:53 +0000 (GMT) | From | Karl Heyes <> | Subject | vm question |
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I have a program that builds up a IPC shared map and notifies the kernel of its address. The kernel part picks up the address correctly.
The map contains information for a file system and is readable to everyone, the access it has is ok. What I want to know is can I access the map without attaching/mmapping to it every time the FS routines are called.
The map is verified at the sysctl call, so that isn't a problem. However if programs that access the filesystem need to attach/unattach I'll do the shmat/shmdt calls before accessing the map.
I'm still fairly new to this 'hack the kernel' game, and I don't know of anything similar for examples.
cheers
karl.
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