On Fri, 2005-01-07 at 15:39 +0100, Olivier Crameri wrote: > Hi, > > I'm a newbie of kernelnewbies, so please don't mind if my question is > inappropriate. > > I'm working on a user level library that makes intensive use of the > kernel. Because my library doesn't give me the performances I expected, > I'm using oprofile to understand what's happening in the kernel. > > The symbol rw_vm is recurring and seems to be consuming lots of time. > As I don't know what rw_vm does, and I can't find this symbol in the > sources, I can't understand what's happening in the system. > > Could someone explain me what rw_vm is ? And maybe tell me to what part > of the kernel code it's related ? > > My system runs a 2.6.9 kernel with smp enabled. rw_vm is a fedora specific routine that basically is the workhorse for copy_from_user and copy_to_user and friends... -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/
