Re: [PATCH] guard mm->rss with page_table_lock (241p11)

David Howells (dhowells@cambridge.redhat.com)
Tue, 30 Jan 2001 08:18:56 +0000

>...
> + spin_lock(&mm->page_table_lock);
> mm->rss++;
> + spin_unlock(&mm->page_table_lock);
>...

Would it not be better to use some sort of atomic add/subtract/clear operation
rather than a spinlock? (Which would also give you fewer atomic memory access
cycles).

David
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