From: Julien Grall <julien@xen.org>
To: Henry Wang <Henry.Wang@arm.com>, xen-devel@lists.xenproject.org
Cc: Andrew Cooper <andrew.cooper3@citrix.com>,
George Dunlap <george.dunlap@citrix.com>,
Jan Beulich <jbeulich@suse.com>,
Stefano Stabellini <sstabellini@kernel.org>, Wei Liu <wl@xen.org>,
Bertrand Marquis <bertrand.marquis@arm.com>,
Wei Chen <wei.chen@arm.com>,
Volodymyr Babchuk <Volodymyr_Babchuk@epam.com>,
Penny Zheng <penny.zheng@arm.com>
Subject: Re: [PATCH v5 2/4] docs, xen/arm: Introduce static heap memory
Date: Thu, 8 Sep 2022 11:18:13 +0100 [thread overview]
Message-ID: <3c34c287-62f7-1f5d-0b4f-011303fd5a5c@xen.org> (raw)
In-Reply-To: <20220908042538.27076-3-Henry.Wang@arm.com>
Hi Henry,
On 08/09/2022 05:25, Henry Wang wrote:
> This commit introduces the static heap memory, which is parts of RAM
> reserved in the beginning of the boot time for heap.
>
> Firstly, since a new type of memory bank is needed for marking the
> memory bank solely as the heap, this commit defines `enum membank_type`
> and use this enum in function device_tree_get_meminfo(). Changes of
> code are done accordingly following the introduction of this enum.
>
> Also, this commit introduces the logic to parse the static heap
> configuration in device tree. If the memory bank is reserved as heap
> through `xen,static-heap` property in device tree `chosen` node, the
> memory will be marked as static heap type.
>
> A documentation section is added, describing the definition of static
> heap memory and the method of enabling the static heap memory through
> device tree at boot time.
>
> Signed-off-by: Henry Wang <Henry.Wang@arm.com>
> Signed-off-by: Penny Zheng <penny.zheng@arm.com>
With Michal's comments addressed:
Reviewed-by: Julien Grall <jgrall@amazon.com>
Cheers,
--
Julien Grall
next prev parent reply other threads:[~2022-09-08 10:18 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-09-08 4:25 [PATCH v5 0/4] Introduce static heap Henry Wang
2022-09-08 4:25 ` [PATCH v5 1/4] xen/arm: bootfdt: Make process_chosen_node() return int Henry Wang
2022-09-08 4:25 ` [PATCH v5 2/4] docs, xen/arm: Introduce static heap memory Henry Wang
2022-09-08 7:54 ` Michal Orzel
2022-09-08 9:08 ` Henry Wang
2022-09-08 10:18 ` Julien Grall [this message]
2022-09-08 4:25 ` [PATCH v5 3/4] xen/arm: mm: Rename xenheap_* variable to directmap_* Henry Wang
2022-09-08 4:25 ` [PATCH v5 4/4] xen/arm: Handle static heap pages in boot and heap allocator Henry Wang
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