From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Akinobu Mita <akinobu.mita@gmail.com>,
linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org,
linux-mm@kvack.org
Subject: Re: [PATCH] generic debug pagealloc
Date: Fri, 06 Mar 2009 20:14:20 +1100 [thread overview]
Message-ID: <1236330860.7260.128.camel@pasglop> (raw)
In-Reply-To: <20090303133610.cb771fef.akpm@linux-foundation.org>
On Tue, 2009-03-03 at 13:36 -0800, Andrew Morton wrote:
> Alternatively, we could just not do the kmap_atomic() at all. i386
> won't be using this code and IIRC the only other highmem architecture
> is powerpc32, and ppc32 appears to also have its own DEBUG_PAGEALLOC
> implementation. So you could remove the kmap_atomic() stuff and put
>
Actually, ppc32 DEBUG_PAGEALLOC is busted in several ways and probably
unfixable (though this is still being debated).
Cheers,
Ben.
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WARNING: multiple messages have this Message-ID (diff)
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Akinobu Mita <akinobu.mita@gmail.com>,
linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org,
linux-mm@kvack.org
Subject: Re: [PATCH] generic debug pagealloc
Date: Fri, 06 Mar 2009 20:14:20 +1100 [thread overview]
Message-ID: <1236330860.7260.128.camel@pasglop> (raw)
Message-ID: <20090306091420.a3Rd0SFH8ZXuUUybMKFKVUTBShgXTUqWa6OAjI_Ok-g@z> (raw)
In-Reply-To: <20090303133610.cb771fef.akpm@linux-foundation.org>
On Tue, 2009-03-03 at 13:36 -0800, Andrew Morton wrote:
> Alternatively, we could just not do the kmap_atomic() at all. i386
> won't be using this code and IIRC the only other highmem architecture
> is powerpc32, and ppc32 appears to also have its own DEBUG_PAGEALLOC
> implementation. So you could remove the kmap_atomic() stuff and put
>
Actually, ppc32 DEBUG_PAGEALLOC is busted in several ways and probably
unfixable (though this is still being debated).
Cheers,
Ben.
next prev parent reply other threads:[~2009-03-06 9:14 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-03-03 16:01 [PATCH] generic debug pagealloc Akinobu Mita
2009-03-03 16:01 ` Akinobu Mita
2009-03-03 16:05 ` Ingo Molnar
2009-03-03 16:05 ` Ingo Molnar
2009-03-04 14:12 ` Akinobu Mita
2009-03-04 14:12 ` Akinobu Mita
2009-03-03 16:12 ` Jiri Slaby
2009-03-03 16:12 ` Jiri Slaby
2009-03-04 14:13 ` Akinobu Mita
2009-03-04 14:13 ` Akinobu Mita
2009-03-03 21:36 ` Andrew Morton
2009-03-03 21:36 ` Andrew Morton
2009-03-03 22:07 ` Russell King
2009-03-03 22:07 ` Russell King
2009-03-04 14:17 ` Akinobu Mita
2009-03-04 14:17 ` Akinobu Mita
2009-03-06 9:14 ` Benjamin Herrenschmidt [this message]
2009-03-06 9:14 ` Benjamin Herrenschmidt
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