What is rw_vm

[Olivier Crameri <olivier.crameri@xxxxxxx>]

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.

Thanks in advance,

Olivier


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