From: catalin.marinas@arm•com (Catalin Marinas)
To: linux-arm-kernel@lists•infradead.org
Subject: [PATCH 03/11] mm: hugetlb: Copy general hugetlb code from x86 to mm.
Date: Fri, 24 May 2013 12:14:33 +0100 [thread overview]
Message-ID: <20130524111433.GF18272@arm.com> (raw)
In-Reply-To: <1369328878-11706-4-git-send-email-steve.capper@linaro.org>
On Thu, May 23, 2013 at 06:07:50PM +0100, Steve Capper wrote:
> The huge_pte_alloc, huge_pte_offset and follow_huge_p[mu]d
> functions in x86/mm/hugetlbpage.c do not rely on any architecture
> specific knowledge other than the fact that pmds and puds can be
> treated as huge ptes.
>
> To allow other architectures to use this code (and reduce the need
> for code duplication), this patch copies these functions into mm,
> replaces the use of pud_large with pud_huge and provides a config
> flag to activate them:
> CONFIG_ARCH_WANT_GENERAL_HUGETLB
>
> If CONFIG_ARCH_WANT_HUGE_PMD_SHARE is also active then the
> huge_pmd_share code will be called by huge_pte_alloc (othewise we
> call pmd_alloc and skip the sharing code).
>
> Signed-off-by: Steve Capper <steve.capper@linaro•org>
Acked-by: Catalin Marinas <catalin.marinas@arm•com>
next prev parent reply other threads:[~2013-05-24 11:14 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-05-23 17:07 [PATCH 00/11] HugeTLB and THP support for ARM64 Steve Capper
2013-05-23 17:07 ` [PATCH 01/11] mm: hugetlb: Copy huge_pmd_share from x86 to mm Steve Capper
2013-05-24 11:11 ` Catalin Marinas
2013-05-23 17:07 ` [PATCH 02/11] x86: mm: Remove x86 version of huge_pmd_share Steve Capper
2013-05-24 11:13 ` Catalin Marinas
2013-05-23 17:07 ` [PATCH 03/11] mm: hugetlb: Copy general hugetlb code from x86 to mm Steve Capper
2013-05-24 11:14 ` Catalin Marinas [this message]
2013-05-24 11:18 ` Catalin Marinas
2013-05-23 17:07 ` [PATCH 04/11] x86: mm: Remove general hugetlb code from x86 Steve Capper
2013-05-24 11:14 ` Catalin Marinas
2013-05-23 17:07 ` [PATCH 05/11] mm: thp: Correct the HPAGE_PMD_ORDER check Steve Capper
2013-05-24 11:18 ` Catalin Marinas
2013-05-23 17:07 ` [PATCH 06/11] ARM64: mm: Restore memblock limit when map_mem finished Steve Capper
2013-05-23 17:07 ` [PATCH 07/11] ARM64: mm: Make PAGE_NONE pages read only and no-execute Steve Capper
2013-05-24 11:21 ` Catalin Marinas
2013-05-23 17:07 ` [PATCH 08/11] ARM64: mm: Swap PTE_FILE and PTE_PROT_NONE bits Steve Capper
2013-05-23 17:07 ` [PATCH 09/11] ARM64: mm: HugeTLB support Steve Capper
2013-05-24 11:23 ` Catalin Marinas
2013-05-23 17:07 ` [PATCH 10/11] ARM64: mm: Raise MAX_ORDER for 64KB pages and THP Steve Capper
2013-05-23 17:07 ` [PATCH 11/11] ARM64: mm: THP support Steve Capper
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