From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: linux-mm@kvack.org, linux-arch@vger.kernel.org,
linux-s390@vger.kernel.org, borntraeger@de.ibm.com
Subject: Re: [patch 3/6] arch_update_pgd call
Date: Fri, 26 Oct 2007 06:48:05 +1000 [thread overview]
Message-ID: <1193345285.7018.21.camel@pasglop> (raw)
In-Reply-To: <20071025181901.591007141@de.ibm.com>
On Thu, 2007-10-25 at 20:15 +0200, Martin Schwidefsky wrote:
> plain text document attachment (003-mm-update-pgd.diff)
> From: Martin Schwidefsky <schwidefsky@de.ibm.com>
>
> In order to change the layout of the page tables after an mmap has
> crossed the adress space limit of the current page table layout a
> architecture hook in get_unmapped_area is needed. The arguments
> are the address of the new mapping and the length of it.
>
> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
I'm not at all fan of the hook there and it's name...
Any reason why you can't do that in your arch gua ?
If not, then why can't you call it something nicer, like
arch_rebalance_pgtables() ?
Ben.
WARNING: multiple messages have this Message-ID (diff)
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: linux-mm@kvack.org, linux-arch@vger.kernel.org,
linux-s390@vger.kernel.org, borntraeger@de.ibm.com
Subject: Re: [patch 3/6] arch_update_pgd call
Date: Fri, 26 Oct 2007 06:48:05 +1000 [thread overview]
Message-ID: <1193345285.7018.21.camel@pasglop> (raw)
In-Reply-To: <20071025181901.591007141@de.ibm.com>
On Thu, 2007-10-25 at 20:15 +0200, Martin Schwidefsky wrote:
> plain text document attachment (003-mm-update-pgd.diff)
> From: Martin Schwidefsky <schwidefsky@de.ibm.com>
>
> In order to change the layout of the page tables after an mmap has
> crossed the adress space limit of the current page table layout a
> architecture hook in get_unmapped_area is needed. The arguments
> are the address of the new mapping and the length of it.
>
> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
I'm not at all fan of the hook there and it's name...
Any reason why you can't do that in your arch gua ?
If not, then why can't you call it something nicer, like
arch_rebalance_pgtables() ?
Ben.
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next prev parent reply other threads:[~2007-10-25 20:48 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-10-25 18:15 [patch 0/6] s390 page tables on steroids Martin Schwidefsky
2007-10-25 18:15 ` Martin Schwidefsky
2007-10-25 18:15 ` [patch 1/6] add mm argument to pte/pmd/pud/pgd_free Martin Schwidefsky
2007-10-25 18:15 ` Martin Schwidefsky, Benjamin Herrenschmidt, Martin Schwidefsky
2007-10-25 18:15 ` [patch 2/6] CONFIG_HIGHPTE vs. sub-page page tables Martin Schwidefsky
2007-10-25 18:15 ` Martin Schwidefsky, Martin Schwidefsky
2007-10-25 20:47 ` Benjamin Herrenschmidt
2007-10-25 20:47 ` Benjamin Herrenschmidt
2007-10-26 7:42 ` Martin Schwidefsky
2007-10-26 7:42 ` Martin Schwidefsky
2007-10-26 8:00 ` Benjamin Herrenschmidt
2007-10-26 8:00 ` Benjamin Herrenschmidt
2007-10-26 8:08 ` Martin Schwidefsky
2007-10-26 8:08 ` Martin Schwidefsky
2007-10-26 8:06 ` Martin Schwidefsky
2007-10-26 8:06 ` Martin Schwidefsky
2007-10-25 18:15 ` [patch 3/6] arch_update_pgd call Martin Schwidefsky
2007-10-25 18:15 ` Martin Schwidefsky, Martin Schwidefsky
2007-10-25 20:48 ` Benjamin Herrenschmidt [this message]
2007-10-25 20:48 ` Benjamin Herrenschmidt
2007-10-25 22:49 ` Benjamin Herrenschmidt
2007-10-25 22:49 ` Benjamin Herrenschmidt
2007-10-26 7:40 ` Martin Schwidefsky
2007-10-26 7:40 ` Martin Schwidefsky
2007-10-26 7:59 ` Benjamin Herrenschmidt
2007-10-26 7:59 ` Benjamin Herrenschmidt
2007-10-26 8:22 ` Martin Schwidefsky
2007-10-26 8:22 ` Martin Schwidefsky
2007-10-26 11:28 ` Benjamin Herrenschmidt
2007-10-26 11:28 ` Benjamin Herrenschmidt
2007-10-25 18:15 ` [patch 4/6] s390: 1K/2K page table pages Martin Schwidefsky
2007-10-25 18:15 ` Martin Schwidefsky, Martin Schwidefsky
2007-10-25 18:15 ` [patch 5/6] s390: Add four level page tables for CONFIG_64BIT=y Martin Schwidefsky
2007-10-25 18:15 ` Martin Schwidefsky, Martin Schwidefsky
2007-10-25 18:15 ` [patch 6/6] s390: dynamic page tables Martin Schwidefsky
2007-10-25 18:15 ` Martin Schwidefsky, Martin Schwidefsky
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