From: catalin.marinas@arm.com (Catalin Marinas)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 1/7] Add various hugetlb arm high level hooks
Date: Tue, 28 Feb 2012 17:30:27 +0000 [thread overview]
Message-ID: <20120228173027.GB22082@arm.com> (raw)
In-Reply-To: <1329126268-11032-2-git-send-email-bill4carson@gmail.com>
On Mon, Feb 13, 2012 at 09:44:22AM +0000, Bill Carson wrote:
> diff --git a/arch/arm/include/asm/page.h b/arch/arm/include/asm/page.h
> index 97b440c..3e6769a 100644
> --- a/arch/arm/include/asm/page.h
> +++ b/arch/arm/include/asm/page.h
> @@ -15,6 +15,21 @@
> #define PAGE_SIZE (_AC(1,UL) << PAGE_SHIFT)
> #define PAGE_MASK (~(PAGE_SIZE-1))
>
> +#ifdef CONFIG_HUGEPAGE_SIZE_2MB
> +/* we have 2MB hugepage for two 1MB section mapping */
> +#define HPAGE_SHIFT (SECTION_SHIFT + 1)
> +#define HPAGE_SIZE (_AC(1, UL) << HPAGE_SHIFT)
> +#define HPAGE_MASK (~(HPAGE_SIZE - 1))
> +#define HUGETLB_PAGE_ORDER (HPAGE_SHIFT - PAGE_SHIFT)
> +#endif
> +
> +#ifdef CONFIG_HUGEPAGE_SIZE_16MB
> +#define HPAGE_SHIFT SUPERSECTION_SHIFT
> +#define HPAGE_SIZE (_AC(1, UL) << HPAGE_SHIFT)
> +#define HPAGE_MASK (~(HPAGE_SIZE - 1))
> +#define HUGETLB_PAGE_ORDER (HPAGE_SHIFT - PAGE_SHIFT)
> +#endif
Ah, you still have these just config time options. Can you not make an
hpage_shift variable like PowerPC or IA-64?
(I haven't yet reviewed the rest of the code)
--
Catalin
next prev parent reply other threads:[~2012-02-28 17:30 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-02-13 9:44 [RFC-PATCH V2] ARM hugetlb support Bill Carson
2012-02-13 9:44 ` [PATCH 1/7] Add various hugetlb arm high level hooks Bill Carson
2012-02-28 17:30 ` Catalin Marinas [this message]
2012-02-29 2:34 ` bill4carson
2012-02-29 9:39 ` Catalin Marinas
2012-02-29 10:21 ` bill4carson
2012-02-29 10:23 ` Catalin Marinas
2012-02-29 10:32 ` Catalin Marinas
2012-02-29 11:28 ` bill4carson
2012-02-29 11:36 ` Catalin Marinas
2012-02-29 15:38 ` Catalin Marinas
2012-03-08 0:35 ` bill4carson
2012-03-08 9:21 ` Catalin Marinas
2012-02-29 12:31 ` Arnd Bergmann
2012-02-29 14:22 ` Catalin Marinas
2012-02-13 9:44 ` [PATCH 2/7] Add various hugetlb page table fix Bill Carson
2012-03-01 10:13 ` Catalin Marinas
2012-02-13 9:44 ` [PATCH 3/7] Introduce set_hugepte_ext api to setup huge hardware pmds Bill Carson
2012-02-13 9:44 ` [PATCH 4/7] Store huge page linux pte in mmu_context_t Bill Carson
2012-02-13 9:44 ` [PATCH 5/7] Using do_page_fault for section fault handling Bill Carson
2012-02-13 9:44 ` [PATCH 6/7] Add hugetlb Kconfig option Bill Carson
2012-02-13 11:00 ` Sergei Shtylyov
2012-02-15 2:50 ` bill4carson
2012-02-13 9:44 ` [PATCH 7/7] Minor compiling fix Bill Carson
2012-02-29 12:35 ` Arnd Bergmann
2012-03-01 8:44 ` bill4carson
2012-03-01 11:40 ` Arnd Bergmann
2012-03-01 12:42 ` carson bill
-- strict thread matches above, loose matches on Subject: below --
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
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