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From: Andrew Morton <akpm@linux-foundation.org>
To: David Rientjes <rientjes@google.com>
Cc: David Daney <ddaney.cavm@gmail.com>,
	linux-mips@linux-mips.org, ralf@linux-mips.org,
	linux-kernel@vger.kernel.org,
	David Daney <david.daney@cavium.com>,
	linux-arch@vger.kernel.org, Robin Holt <holt@sgi.com>
Subject: Re: [patch] hugetlb: remove dummy definitions of HPAGE_MASK and HPAGE_SIZE
Date: Thu, 17 Nov 2011 15:35:26 -0800	[thread overview]
Message-ID: <20111117153526.f90ee248.akpm@linux-foundation.org> (raw)
In-Reply-To: <alpine.DEB.2.00.1111171522131.20133@chino.kir.corp.google.com>

On Thu, 17 Nov 2011 15:22:53 -0800 (PST)
David Rientjes <rientjes@google.com> wrote:

> So, just remove the dummy and dangerous definitions since they are no
> longer needed and reveals the correct dependencies.  Tested on
> architectures using the definitions with allyesconfig: x86 (even with
> thp), hppa, mips, powerpc, s390, sh3, sh4, sparc, and sparc64, and
> with defconfig on ia64.

How could arch/mips/mm/tlb-r4k.c:local_flush_tlb_range() compile OK
with this change?

What that function is doing looks reasonable to me.  Why fill the poor
thing with an ifdef mess?

otoh, catching mistakes is good too.  Doing it at runtime as David
proposes is OK.

  reply	other threads:[~2011-11-17 23:35 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-11-17 21:57 [PATCH v2 0/2] Dummy HPAGE_* constants for !CONFIG_HUGETLB_PAGE David Daney
2011-11-17 21:57 ` [PATCH v2 1/2] hugetlb: Provide a default HPAGE_SHIFT if !CONFIG_HUGETLB_PAGE David Daney
2011-11-17 21:57 ` [PATCH v2 2/2] hugetlb: Provide safer dummy values for HPAGE_MASK and HPAGE_SIZE David Daney
2011-11-17 23:28   ` Andrew Morton
2011-11-17 23:38     ` David Daney
2011-11-18  8:56   ` Sergei Shtylyov
2011-11-18 17:14     ` David Daney
2011-11-17 23:22 ` [PATCH v2 0/2] Dummy HPAGE_* constants for !CONFIG_HUGETLB_PAGE David Rientjes
2011-11-17 23:22   ` [patch] hugetlb: remove dummy definitions of HPAGE_MASK and HPAGE_SIZE David Rientjes
2011-11-17 23:35     ` Andrew Morton [this message]
2011-11-17 23:44       ` David Rientjes
2011-11-17 23:52         ` David Daney
2011-11-17 23:57           ` Andrew Morton
2011-11-17 23:57           ` David Rientjes
2011-11-21 22:23     ` David Daney
2011-11-21 22:43       ` Linus Torvalds
2011-11-21 23:23         ` David Daney
2011-11-21 23:43           ` Linus Torvalds
2011-11-21 23:50             ` Andrew Morton
2011-11-22 20:41               ` Andi Kleen
2011-11-22 20:41                 ` Andi Kleen
2011-11-21 23:47         ` David Daney
2011-11-21 23:53           ` Andrew Morton
2011-11-22  0:37           ` Linus Torvalds
2011-11-22  0:48             ` David Daney
2011-11-22  0:55               ` Linus Torvalds
2011-11-21 22:48       ` David Rientjes

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