Re: [PATCH] Use __read_mostly on some hot fs variables

[Nick Piggin]

Eric Dumazet wrote:

> Before someone asks, it is valid to declare a pointer as 'read 
> mostly', even if the data pointed by the pointer is heavily modified. 
> hash table pointers and kmem_cache pointers are setup at boot time, so 
> they are perfect candidates  to 'read_mostly' section. Same apply for 
> 'struct vfsmount *'

Yes... why wouldn't it be if the variable is only written to once? This
is _exactly_ what __read_mostly section is for, isn't it?

Patch looks good though.

Nick
---
Send instant messages to your online friends http://au.messenger.yahoo.com 
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/