From: Minchan Kim <minchan@kernel.org>
To: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
Cc: Ingo Molnar <mingo@redhat.com>,
Linus Torvalds <torvalds@linux-foundation.org>,
x86@kernel.org, Thomas Gleixner <tglx@linutronix.de>,
"H. Peter Anvin" <hpa@zytor.com>,
Andy Lutomirski <luto@amacapital.net>,
Cyrill Gorcunov <gorcunov@openvz.org>,
Borislav Petkov <bp@suse.de>, Andi Kleen <ak@linux.intel.com>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org,
Nitin Gupta <ngupta@vflare.org>,
Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com>
Subject: Re: [PATCH 1/4] mm/zsmalloc: Prepare to variable MAX_PHYSMEM_BITS
Date: Mon, 23 Oct 2017 12:10:05 +0900 [thread overview]
Message-ID: <20171023031005.GA5981@bgram> (raw)
In-Reply-To: <20171020195934.32108-2-kirill.shutemov@linux.intel.com>
On Fri, Oct 20, 2017 at 10:59:31PM +0300, Kirill A. Shutemov wrote:
> With boot-time switching between paging mode we will have variable
> MAX_PHYSMEM_BITS.
>
> Let's use the maximum variable possible for CONFIG_X86_5LEVEL=y
> configuration to define zsmalloc data structures.
>
> The patch introduces MAX_POSSIBLE_PHYSMEM_BITS to cover such case.
> It also suits well to handle PAE special case.
>
> Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
> Cc: Minchan Kim <minchan@kernel.org>
> Cc: Nitin Gupta <ngupta@vflare.org>
> Cc: Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com>
Acked-by: Minchan Kim <minchan@kernel.org>
Nitin:
I think this patch works and it would be best for Kirill to be able to do.
So if you have better idea to clean it up, let's make it as another patch
regardless of this patch series.
Thanks.
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next prev parent reply other threads:[~2017-10-23 3:10 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-10-20 19:59 [PATCH 0/4] Boot-time switching between 4- and 5-level paging for 4.15, Part 2 Kirill A. Shutemov
2017-10-20 19:59 ` [PATCH 1/4] mm/zsmalloc: Prepare to variable MAX_PHYSMEM_BITS Kirill A. Shutemov
2017-10-21 1:43 ` Nitin Gupta
2017-10-21 8:32 ` Kirill A. Shutemov
2017-10-23 3:10 ` Minchan Kim [this message]
2017-10-23 5:25 ` Nitin Gupta
2017-10-20 19:59 ` [PATCH 2/4] x86/boot/compressed/64: Detect and handle 5-level paging at boot-time Kirill A. Shutemov
2017-10-20 19:59 ` [PATCH 3/4] x86/boot/compressed/64: Introduce place_trampoline() Kirill A. Shutemov
2017-10-20 19:59 ` [PATCH 4/4] x86/boot/compressed/64: Handle 5-level paging boot if kernel is above 4G Kirill A. Shutemov
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