linux-kernel - Re: [PATCH -v3 00/14] x86, mm: init_memory

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Message-ID: <20120913150001.GA779@jshin-Toonie>
Date:	Thu, 13 Sep 2012 10:00:01 -0500
From:	Jacob Shin <jacob.shin@....com>
To:	Yinghai Lu <yinghai@...nel.org>
CC:	Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...e.hu>,
	"H. Peter Anvin" <hpa@...or.com>, Tejun Heo <tj@...nel.org>,
	<linux-kernel@...r.kernel.org>
Subject: Re: [PATCH -v3 00/14] x86, mm: init_memory_mapping cleanup

On Wed, Sep 05, 2012 at 03:08:15PM -0500, Jacob Shin wrote:
> On Tue, Sep 04, 2012 at 10:46:17PM -0700, Yinghai Lu wrote:
> > Only create mapping for E820_820 and E820_RESERVED_KERN.
> > 
> > Seperate calculate_table_space_size and find_early_page_table out with
> > init_memory_mapping.
> > 
> > For all ranges, will allocate page table one time, but init mapping
> > only for E820 RAM and E820_RESERVED_KERN.
> > 
> > Could be found at:
> > git://git.kernel.org/pub/scm/linux/kernel/git/yinghai/linux-yinghai.git for-x86-mm
> > 
> > Thanks
> >         Yinghai
> > 
> > 
> > Jacob Shin (4):
> >   x86: if kernel .text .data .bss are not marked as E820_RAM, complain and fix
> >   x86: Fixup code testing if a pfn is direct mapped
> >   x86: Only direct map addresses that are marked as E820_RAM
> >   x86/mm: calculate_table_space_size based on memory ranges that are being mapped
> > 
> > Yinghai Lu (10):
> >   x86, mm: Add global page_size_mask
> >   x86, mm: Split out split_mem_range
> >   x86, mm: Moving init_memory_mapping calling
> >   x86, mm: Revert back good_end setting for 64bit
> >   x86, mm: Find early page table only one time
> >   x86, mm: Separate out calculate_table_space_size()
> >   x86, mm: Move down two calculate_table_space_size down.
> >   x86, mm: set memblock initial limit to 1M
> >   x86, mm: Use func pointer to table size calculation and mapping
> >   x86, mm: Map ISA area with connected ram range at the same time
> > 
> >  arch/x86/include/asm/init.h       |    1 -
> >  arch/x86/include/asm/page_types.h |    2 +
> >  arch/x86/include/asm/pgtable.h    |    1 +
> >  arch/x86/kernel/cpu/amd.c         |    8 +-
> >  arch/x86/kernel/setup.c           |   36 +++--
> >  arch/x86/mm/init.c                |  357 +++++++++++++++++++++++++------------
> >  arch/x86/mm/init_64.c             |    6 +-
> >  arch/x86/platform/efi/efi.c       |    8 +-
> >  8 files changed, 280 insertions(+), 139 deletions(-)
> > 
> > -- 
> > 1.7.7
> > 
> > 
> 
> Tested -v3 on our (AMD) machines and everything looks good.

Hi, hpa, wondering if this version finally looks okay to you for 3.7 ?

Thanks,

-Jacob

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