linux-kernel - Re: [PATCH] percpu_counter : add percpu_counter_add

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Message-ID: <1287703323.2607.39.camel@edumazet-laptop>
Date:	Fri, 22 Oct 2010 01:22:03 +0200
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Nick Piggin <npiggin@...nel.dk>,
	Dave Chinner <david@...morbit.com>,
	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
	Christoph Lameter <cl@...ux-foundation.org>
Subject: Re: [PATCH] percpu_counter : add percpu_counter_add_fast()

Le jeudi 21 octobre 2010 à 16:18 -0700, Andrew Morton a écrit :
> On Fri, 22 Oct 2010 00:58:14 +0200
> Eric Dumazet <eric.dumazet@...il.com> wrote:
> 
> > Then 39 instructions in hot path (no lock taken)
> 
> Wow, your compiler sucks.
> 


Actually my machines are mostly 32bit. Is it a problem ?

Compiler is OK, really.

percpu_counter() is misnamed, it should be named percpu_counter64() or
something like that :-(



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