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From: Will Deacon <will@kernel.org>
To: Peter Zijlstra <peterz@infradead.org>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>,
	linux-m68k@lists.linux-m68k.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 4/5] m68k,mm: Extend table allocator for multiple sizes
Date: Wed, 29 Jan 2020 13:15:20 +0000	[thread overview]
Message-ID: <20200129131520.GA31774@willie-the-truck> (raw)
In-Reply-To: <20200129124352.GP14879@hirez.programming.kicks-ass.net>

On Wed, Jan 29, 2020 at 01:43:52PM +0100, Peter Zijlstra wrote:
> On Wed, Jan 29, 2020 at 12:17:53PM +0000, Will Deacon wrote:
> > On Wed, Jan 29, 2020 at 11:39:45AM +0100, Peter Zijlstra wrote:
> 
> > > +extern void *get_pointer_table(int type);
> > 
> > Could be prettier/obfuscated with an enum type?
> 
> Definitely, but then we get to bike-shed on names :-)

At least we don't need an emulator for *that*!

> enum m68k_table_type {
> 	TABLE_BIG = 0,
> 	TABLE_SMALL,
> };
> 
> Is not exactly _that_ much better, and while TABLE_PTE works,
> TABLE_PGD_PMD is a bit crap.

Some alternatives:

TABLE_PXD / TABLE_PTE
TABLE_BRANCH / TABLE_LEAF
TABLE_DIR / TABLE_PTE
TABLE_TI_AB / TABLE_TI_C

Will

  reply	other threads:[~2020-01-29 13:15 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-01-29 10:39 [PATCH 0/5] Rewrite Motorola MMU page-table layout Peter Zijlstra
2020-01-29 10:39 ` [PATCH 1/5] m68k,mm: Restructure motorola mmu " Peter Zijlstra
2020-01-29 10:39 ` [PATCH 2/5] m68k,mm: Improve kernel_page_table() Peter Zijlstra
2020-01-29 10:39 ` [PATCH 3/5] m68k,mm: Use table allocator for pgtables Peter Zijlstra
2020-01-29 12:11   ` Will Deacon
2020-01-29 12:24     ` Peter Zijlstra
2020-01-29 10:39 ` [PATCH 4/5] m68k,mm: Extend table allocator for multiple sizes Peter Zijlstra
2020-01-29 12:17   ` Will Deacon
2020-01-29 12:43     ` Peter Zijlstra
2020-01-29 13:15       ` Will Deacon [this message]
2020-01-29 10:39 ` [PATCH 5/5] m68k,mm: Fully initialize the page-table allocator Peter Zijlstra
2020-01-29 10:49 ` [PATCH 0/5] Rewrite Motorola MMU page-table layout John Paul Adrian Glaubitz
2020-01-29 11:54   ` Peter Zijlstra
2020-01-29 12:05     ` John Paul Adrian Glaubitz
2020-01-29 12:30       ` Peter Zijlstra
2020-01-29 18:52     ` Michael Schmitz
2020-01-29 19:31       ` Peter Zijlstra
2020-01-30  7:31         ` Michael Schmitz
2020-01-30  8:16           ` Peter Zijlstra
2020-01-30 19:12             ` Michael Schmitz
2020-01-31  6:31 ` Greg Ungerer
2020-01-31  9:38   ` Will Deacon
2020-01-31 10:22     ` Peter Zijlstra
2020-01-31 11:14       ` Peter Zijlstra
2020-01-31 11:18         ` Will Deacon
2020-01-31 11:31           ` Peter Zijlstra
2020-01-31 11:43             ` Will Deacon
2020-01-31 13:04     ` Greg Ungerer

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