Andrew Morton <a...@linux-foundation.org> wrote: > > The performance implications of this proposal are terrifying. > > I suggest adding a set of non-debug inlined refcount functions which > just fall back to the simple atomic.h operations. > > And add a new CONFIG_DEBUG_REFCOUNT. So the performance (and code > size!) with CONFIG_DEBUG_REFCOUNT=n is unaltered from present code. > And make CONFIG_DEBUG_REFCOUNT suitably difficult to set.
I agree. Refcounts are used in many performance-critical sites within the network subsystem. Thanks, -- Email: Herbert Xu <herb...@gondor.apana.org.au> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
