linux-kernel - Re: [PATCH 3/3] mm/nommu: drop unlikely behind BUG

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Message-ID: <20151005015055.GA8831@linux-uzut.site>
Date:	Sun, 4 Oct 2015 18:50:55 -0700
From:	Davidlohr Bueso <dave@...olabs.net>
To:	Geliang Tang <geliangtang@....com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	"Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>,
	Hugh Dickins <hughd@...gle.com>,
	"Peter Zijlstra (Intel)" <peterz@...radead.org>,
	Andrea Arcangeli <aarcange@...hat.com>,
	Joonsoo Kim <js1304@...il.com>, Arnd Bergmann <arnd@...db.de>,
	Paul Gortmaker <paul.gortmaker@...driver.com>,
	Leon Romanovsky <leon@...n.nu>,
	Oleg Nesterov <oleg@...hat.com>, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 3/3] mm/nommu: drop unlikely behind BUG_ON()

On Sun, 04 Oct 2015, Geliang Tang wrote:

>BUG_ON() already contain an unlikely compiler flag. Drop it.
>
>Signed-off-by: Geliang Tang <geliangtang@....com>

Acked-by: Davidlohr Bueso <dave@...olabs.net>

... but I believe you do have some left:

drivers/scsi/scsi_lib.c:                BUG_ON(unlikely(count > ivecs));
drivers/scsi/scsi_lib.c:                BUG_ON(unlikely(count > queue_max_integrity_segments(rq->q)));
kernel/sched/core.c:    BUG_ON(unlikely(task_stack_end_corrupted(prev)));
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