From: catalin.marinas@arm.com (Catalin Marinas)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 2/7] Add various hugetlb page table fix
Date: Mon, 6 Feb 2012 16:26:56 +0000 [thread overview]
Message-ID: <20120206162656.GG26538@arm.com> (raw)
In-Reply-To: <4F28AD1D.1000106@gmail.com>
On Wed, Feb 01, 2012 at 03:10:21AM +0000, bill4carson wrote:
> Why L_PTE_HUGEPAGE is needed?
>
> hugetlb subsystem will call pte_page to derive the corresponding page
> struct from a given pte, and pte_pfn is used first to convert pte into
> a page frame number.
Are you sure the pte_pfn() conversion is right? Does it need to be
different from the 4K pfn? I haven't seen any other architecture doing
shifts other than PAGE_SHIFT even for huge pages.
--
Catalin
next prev parent reply other threads:[~2012-02-06 16:26 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-01-30 7:57 [RFC] ARM hugetlb support bill4carson at gmail.com
2012-01-30 7:57 ` [PATCH 1/7] Add various hugetlb arm high level hooks bill4carson at gmail.com
2012-02-06 17:07 ` Catalin Marinas
2012-02-07 2:00 ` bill4carson
2012-02-07 11:54 ` Catalin Marinas
2012-02-07 12:15 ` Catalin Marinas
2012-02-07 12:57 ` carson bill
2012-01-30 7:57 ` [PATCH 2/7] Add various hugetlb page table fix bill4carson at gmail.com
2012-01-31 9:57 ` Catalin Marinas
2012-01-31 9:58 ` Russell King - ARM Linux
2012-01-31 12:25 ` Catalin Marinas
2012-02-01 3:10 ` bill4carson
2012-02-06 16:26 ` Catalin Marinas [this message]
2012-02-07 1:42 ` bill4carson
2012-02-07 11:50 ` Catalin Marinas
2012-02-07 13:24 ` carson bill
2012-02-07 14:11 ` Catalin Marinas
2012-02-07 14:46 ` carson bill
2012-02-07 15:09 ` Catalin Marinas
2012-02-07 15:41 ` carson bill
2012-01-30 7:57 ` [PATCH 3/7] Introduce set_hugepte_ext api for huge page hardware page table setup bill4carson at gmail.com
2012-01-30 7:57 ` [PATCH 4/7] Store huge page linux pte in mm_struct bill4carson at gmail.com
2012-01-31 9:37 ` Catalin Marinas
2012-01-31 10:01 ` Russell King - ARM Linux
2012-02-01 5:45 ` bill4carson
2012-02-06 2:04 ` bill4carson
2012-02-06 10:29 ` Catalin Marinas
2012-02-06 14:40 ` carson bill
2012-01-30 7:57 ` [PATCH 5/7] Using do_page_fault for section fault handling bill4carson at gmail.com
2012-01-30 7:57 ` [PATCH 6/7] Add hugetlb Kconfig option bill4carson at gmail.com
2012-01-30 7:57 ` [PATCH 7/7] Minor compiling fix bill4carson at gmail.com
2012-01-31 9:29 ` [RFC] ARM hugetlb support Catalin Marinas
2012-02-01 1:56 ` bill4carson
2012-02-02 14:38 ` Catalin Marinas
2012-02-03 1:41 ` bill4carson
2012-02-06 16:29 ` Catalin Marinas
-- strict thread matches above, loose matches on Subject: below --
2012-02-13 9:44 [RFC-PATCH V2] " Bill Carson
2012-02-13 9:44 ` [PATCH 2/7] Add various hugetlb page table fix Bill Carson
2012-03-01 10:13 ` Catalin Marinas
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