From: Denis Vlasenko <vda@port.imtp.ilyichevsk.odessa.ua>
To: Adrian Bunk <bunk@fs.tum.de>, Andrew Morton <akpm@osdl.org>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [2.6 patch][3/3] mm/ BUG -> BUG_ON conversions
Date: Sat, 28 Aug 2004 19:32:05 +0300 [thread overview]
Message-ID: <200408281932.05964.vda@port.imtp.ilyichevsk.odessa.ua> (raw)
In-Reply-To: <20040828151837.GD12772@fs.tum.de>
On Saturday 28 August 2004 18:18, Adrian Bunk wrote:
> The patch below does BUG -> BUG_ON conversions in mm/ .
>
> diffstat output:
> mm/bootmem.c | 6 ++----
> mm/filemap.c | 6 ++----
> mm/highmem.c | 15 +++++----------
> mm/memory.c | 12 ++++--------
> mm/mempool.c | 5 +++--
> mm/mmap.c | 12 ++++--------
> mm/mprotect.c | 3 +--
> mm/msync.c | 3 +--
> mm/page_alloc.c | 3 +--
> mm/pdflush.c | 3 +--
> mm/shmem.c | 3 +--
> mm/slab.c | 30 ++++++++++--------------------
> mm/swap.c | 12 ++++--------
> mm/swap_state.c | 6 ++----
> mm/swapfile.c | 6 ++----
> mm/vmalloc.c | 3 +--
> mm/vmscan.c | 18 ++++++------------
> 17 files changed, 50 insertions(+), 96 deletions(-)
>
>
> Signed-off-by: Adrian Bunk <bunk@fs.tum.de>
>
> --- linux-2.6.9-rc1-mm1-full-3.4/mm/bootmem.c.old 2004-08-28
> 16:25:18.000000000 +0200 +++
> linux-2.6.9-rc1-mm1-full-3.4/mm/bootmem.c 2004-08-28 16:26:48.000000000
> +0200 @@ -125,8 +125,7 @@
> sidx = start - (bdata->node_boot_start/PAGE_SIZE);
>
> for (i = sidx; i < eidx; i++) {
> - if (unlikely(!test_and_clear_bit(i, bdata->node_bootmem_map)))
> - BUG();
> + BUG_ON(!test_and_clear_bit(i, bdata->node_bootmem_map));
> }
> }
>
> @@ -246,8 +245,7 @@
> * Reserve the area now:
> */
> for (i = start; i < start+areasize; i++)
> - if (unlikely(test_and_set_bit(i, bdata->node_bootmem_map)))
> - BUG();
> + BUG_ON(test_and_set_bit(i, bdata->node_bootmem_map));
BUG_ON is like assert(). It may be #defined to nothing.
Do not place expression with side effects into it.
--
vda
next prev parent reply other threads:[~2004-08-28 16:47 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-08-28 15:11 [2.6 patch][0/3] BUG -> BUG_ON conversions Adrian Bunk
2004-08-28 15:15 ` [2.6 patch][1/3] ipc/ " Adrian Bunk
2004-08-28 16:05 ` Kyle Moffett
2004-08-28 16:26 ` Adrian Bunk
2004-08-28 16:50 ` Michael Buesch
2004-08-28 19:58 ` Andrew Morton
2004-08-28 20:22 ` Adrian Bunk
2004-08-28 20:59 ` Jens Axboe
2004-08-28 21:43 ` Matt Mackall
2004-08-28 15:17 ` [2.6 patch][2/3] kernel/ " Adrian Bunk
2004-08-28 16:09 ` Kyle Moffett
2004-08-28 15:18 ` [2.6 patch][3/3] mm/ " Adrian Bunk
2004-08-28 16:32 ` Denis Vlasenko [this message]
2004-08-28 20:58 ` Jens Axboe
2004-08-28 21:24 ` Adrian Bunk
2004-08-29 12:03 ` Jens Axboe
2004-08-29 12:18 ` Oliver Neukum
2004-08-29 13:01 ` Jens Axboe
2004-08-29 13:50 ` Adrian Bunk
2004-08-29 14:08 ` Jens Axboe
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