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DateWed, 22 Mar 2006 16:15:05 +1100
FromNick Piggin <>
SubjectRe: [PATCH] Use __read_mostly on some hot fs variables
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
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