From: Pavel Tatashin <pasha.tatashin@oracle.com>
To: hejianet@gmail.com
Cc: linux@armlinux.org.uk, Andrew Morton <akpm@linux-foundation.org>,
Michal Hocko <mhocko@suse.com>,
Catalin Marinas <catalin.marinas@arm.com>,
Mel Gorman <mgorman@suse.de>,
will.deacon@arm.com, mark.rutland@arm.com, hpa@zytor.com,
Daniel Jordan <daniel.m.jordan@oracle.com>,
AKASHI Takahiro <takahiro.akashi@linaro.org>,
Gioh Kim <gi-oh.kim@profitbricks.com>,
Steven Sistare <steven.sistare@oracle.com>,
neelx@redhat.com, erosca@de.adit-jv.com,
Vlastimil Babka <vbabka@suse.cz>,
LKML <linux-kernel@vger.kernel.org>,
Linux Memory Management List <linux-mm@kvack.org>,
james.morse@arm.com, ard.biesheuvel@linaro.org,
steve.capper@arm.com, tglx@linutronix.de, mingo@redhat.com,
gregkh@linuxfoundation.org, kstewart@linuxfoundation.org,
pombredanne@nexb.com, Johannes Weiner <hannes@cmpxchg.org>,
kemi.wang@intel.com, ptesarik@suse.com, yasu.isimatu@gmail.com,
aryabinin@virtuozzo.com, nborisov@suse.com,
Wei Yang <richard.weiyang@gmail.com>,
jia.he@hxt-semitech.com
Subject: Re: [PATCH v9 1/6] arm: arm64: introduce CONFIG_HAVE_MEMBLOCK_PFN_VALID
Date: Fri, 29 Jun 2018 14:08:07 -0400 [thread overview]
Message-ID: <CAGM2reZ74Re6-CnAoNqK_VG+AOzs7u4cOUaJ4iMy25Q8P_aXEQ@mail.gmail.com> (raw)
In-Reply-To: <1530239363-2356-2-git-send-email-hejianet@gmail.com>
On Thu, Jun 28, 2018 at 10:30 PM Jia He <hejianet@gmail.com> wrote:
>
> Make CONFIG_HAVE_MEMBLOCK_PFN_VALID a new config option so it can move
> memblock_next_valid_pfn to generic code file. All the latter optimizations
> are based on this config.
>
> The memblock initialization time on arm/arm64 can benefit from this.
>
> Signed-off-by: Jia He <jia.he@hxt-semitech.com>
Reviewed-by: Pavel Tatashin <pasha.tatashin@oracle.com>
On Thu, Jun 28, 2018 at 10:30 PM Jia He <hejianet@gmail.com> wrote:
>
> Make CONFIG_HAVE_MEMBLOCK_PFN_VALID a new config option so it can move
> memblock_next_valid_pfn to generic code file. All the latter optimizations
> are based on this config.
>
> The memblock initialization time on arm/arm64 can benefit from this.
>
> Signed-off-by: Jia He <jia.he@hxt-semitech.com>
> ---
> arch/arm/Kconfig | 4 ++++
> arch/arm64/Kconfig | 4 ++++
> mm/Kconfig | 3 +++
> 3 files changed, 11 insertions(+)
>
> diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
> index 843edfd..7ea2636 100644
> --- a/arch/arm/Kconfig
> +++ b/arch/arm/Kconfig
> @@ -1642,6 +1642,10 @@ config ARCH_SELECT_MEMORY_MODEL
> config HAVE_ARCH_PFN_VALID
> def_bool ARCH_HAS_HOLES_MEMORYMODEL || !SPARSEMEM
>
> +config HAVE_MEMBLOCK_PFN_VALID
> + def_bool y
> + depends on HAVE_ARCH_PFN_VALID
> +
> config HAVE_GENERIC_GUP
> def_bool y
> depends on ARM_LPAE
> diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
> index 42c090c..26d75f4 100644
> --- a/arch/arm64/Kconfig
> +++ b/arch/arm64/Kconfig
> @@ -778,6 +778,10 @@ config ARCH_SELECT_MEMORY_MODEL
> config HAVE_ARCH_PFN_VALID
> def_bool ARCH_HAS_HOLES_MEMORYMODEL || !SPARSEMEM
>
> +config HAVE_MEMBLOCK_PFN_VALID
> + def_bool y
> + depends on HAVE_ARCH_PFN_VALID
> +
> config HW_PERF_EVENTS
> def_bool y
> depends on ARM_PMU
> diff --git a/mm/Kconfig b/mm/Kconfig
> index ce95491..2c38080a5 100644
> --- a/mm/Kconfig
> +++ b/mm/Kconfig
> @@ -137,6 +137,9 @@ config HAVE_MEMBLOCK_NODE_MAP
> config HAVE_MEMBLOCK_PHYS_MAP
> bool
>
> +config HAVE_MEMBLOCK_PFN_VALID
> + bool
> +
> config HAVE_GENERIC_GUP
> bool
>
> --
> 1.8.3.1
>
next prev parent reply other threads:[~2018-06-29 18:08 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-06-29 2:29 [PATCH v9 0/6] optimize memblock_next_valid_pfn and early_pfn_valid on arm and arm64 Jia He
2018-06-29 2:29 ` [PATCH v9 1/6] arm: arm64: introduce CONFIG_HAVE_MEMBLOCK_PFN_VALID Jia He
2018-06-29 18:08 ` Pavel Tatashin [this message]
2018-06-29 2:29 ` [PATCH v9 2/6] mm: page_alloc: remain memblock_next_valid_pfn() on arm/arm64 Jia He
2018-06-29 17:07 ` Pavel Tatashin
2018-07-06 1:38 ` Jia He
2018-06-29 18:13 ` Pavel Tatashin
2018-07-02 11:38 ` Michal Hocko
2018-07-03 1:55 ` Jia He
2018-07-03 3:03 ` Pavel Tatashin
2018-06-29 2:29 ` [PATCH v9 3/6] arm: arm64: page_alloc: reduce unnecessary binary search in memblock_next_valid_pfn() Jia He
2018-06-29 2:29 ` [PATCH v9 4/6] mm/memblock: introduce memblock_search_pfn_regions() Jia He
2018-06-29 2:29 ` [PATCH v9 5/6] arm: arm64: introduce pfn_valid_region() Jia He
2018-06-29 2:29 ` [PATCH v9 6/6] mm: page_alloc: reduce unnecessary binary search in early_pfn_valid() Jia He
2018-07-02 11:40 ` [PATCH v9 0/6] optimize memblock_next_valid_pfn and early_pfn_valid on arm and arm64 Michal Hocko
2018-07-02 12:06 ` Pavel Tatashin
2018-07-03 2:00 ` Jia He
2018-07-03 2:11 ` Jia He
2018-07-03 7:28 ` Michal Hocko
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