From: Alex Shi <seakeel@gmail.com>
To: Vishal Moola <vishal.moola@gmail.com>
Cc: alexs@kernel.org, Vitaly Wool <vitaly.wool@konsulko.com>,
Miaohe Lin <linmiaohe@huawei.com>,
Andrew Morton <akpm@linux-foundation.org>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
minchan@kernel.org, willy@infradead.org,
senozhatsky@chromium.org, david@redhat.com, 42.hyeyoo@gmail.com,
Yosry Ahmed <yosryahmed@google.com>,
nphamcs@gmail.com
Subject: Re: [PATCH v7 00/21] mm/zsmalloc: add zpdesc memory descriptor for zswap.zpool
Date: Thu, 12 Sep 2024 10:28:32 +0800 [thread overview]
Message-ID: <1691f16c-af41-4b38-bd5e-38af0e7a2c99@gmail.com> (raw)
In-Reply-To: <66d8bd3e.170a0220.18832.0206@mx.google.com>
On 9/5/24 4:04 AM, Vishal Moola wrote:
> On Wed, Sep 04, 2024 at 02:54:14PM +0800, Alex Shi wrote:
>>
>>
>> On 9/2/24 3:21 PM, alexs@kernel.org wrote:
>>> From: Alex Shi <alexs@kernel.org>
>>>
>> ...
>>
>>>
>>> This patchset abstracts the memory descriptor used in zsmalloc by zswap/zram.
>>> The descriptor still overlays the struct page; nothing has changed
>>> in that regard. What this patchset accomplishes is the use of folios in
>>> to save some code size, and the introduction of a new concept, zpdesc.
>>> This patchset is just an initial step; it does not bias the potential
>>> changes to kmem_alloc or larger zspage modifications.
>>>
>> ...
>>>
>>> Thanks a lot for comments and suggestion from Yosry, Yoo, Sergey, Willy
>>> and Vishal!
>>>
>>
>> This patchset could save 6.3% code size, and it's a nice abstract of zsmalloc
>> memory usage.
>> Is there any more comments, or mind to give a reviewed-by?
>
> Please CC me on future versions. Most of the zsmalloc conversions seem
> ok, but I'd hold off on further iterations of the descriptor patches until
> the maintainers decide on what/how this descriptor will be used
> (i.e. our end goals).
Thanks for your care.
Is there some places or some conversion should be changed?
btw, the descriptor is used now and could save a few code size. :)
Thanks
next prev parent reply other threads:[~2024-09-12 2:36 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-09-02 7:21 [PATCH v7 00/21] mm/zsmalloc: add zpdesc memory descriptor for zswap.zpool alexs
2024-09-02 7:21 ` [PATCH v7 01/21] " alexs
2024-12-03 16:51 ` Matthew Wilcox
2024-09-02 7:21 ` [PATCH v7 02/21] mm/zsmalloc: use zpdesc in trylock_zspage()/lock_zspage() alexs
2024-09-02 7:21 ` [PATCH v7 03/21] mm/zsmalloc: convert __zs_map_object/__zs_unmap_object to use zpdesc alexs
2024-09-02 7:21 ` [PATCH v7 04/21] mm/zsmalloc: add and use pfn/zpdesc seeking funcs alexs
2024-09-02 7:21 ` [PATCH v7 05/21] mm/zsmalloc: convert obj_malloc() to use zpdesc alexs
2024-09-02 7:21 ` [PATCH v7 06/21] mm/zsmalloc: convert create_page_chain() and its users " alexs
2024-09-02 7:21 ` [PATCH v7 07/21] mm/zsmalloc: convert obj_allocated() and related helpers " alexs
2024-09-02 7:21 ` [PATCH v7 08/21] mm/zsmalloc: convert init_zspage() " alexs
2024-09-02 7:21 ` [PATCH v7 09/21] mm/zsmalloc: convert obj_to_page() and zs_free() " alexs
2024-09-02 7:21 ` [PATCH v7 10/21] mm/zsmalloc: add zpdesc_is_isolated()/zpdesc_zone() helper for zs_page_migrate() alexs
2024-09-02 7:21 ` [PATCH v7 11/21] mm/zsmalloc: rename reset_page to reset_zpdesc and use zpdesc in it alexs
2024-09-02 7:21 ` [PATCH v7 12/21] mm/zsmalloc: convert __free_zspage() to use zdsesc alexs
2024-09-02 7:21 ` [PATCH v7 13/21] mm/zsmalloc: convert location_to_obj() to take zpdesc alexs
2024-09-02 7:21 ` [PATCH v7 14/21] mm/zsmalloc: convert migrate_zspage() to use zpdesc alexs
2024-09-02 7:21 ` [PATCH v7 15/21] mm/zsmalloc: convert get_zspage() to take zpdesc alexs
2024-09-02 7:21 ` [PATCH v7 16/21] mm/zsmalloc: convert SetZsPageMovable and remove unused funcs alexs
2024-09-02 7:21 ` [PATCH v7 17/21] mm/zsmalloc: convert get/set_first_obj_offset() to take zpdesc alexs
2024-09-02 7:21 ` [PATCH v7 18/21] mm/zsmalloc: introduce __zpdesc_clear_movable alexs
2024-09-02 7:21 ` [PATCH v7 19/21] mm/zsmalloc: introduce __zpdesc_clear/set_zsmalloc() alexs
2024-09-02 7:21 ` [PATCH v7 20/21] mm/zsmalloc: introduce zpdesc_clear_first() helper alexs
2024-09-02 7:21 ` [PATCH v7 21/21] mm/zsmalloc: update comments for page->zpdesc changes alexs
2024-09-03 3:35 ` [PATCH v7 00/21] mm/zsmalloc: add zpdesc memory descriptor for zswap.zpool Sergey Senozhatsky
2024-09-03 3:45 ` Sergey Senozhatsky
2024-09-03 8:01 ` Alex Shi
2024-09-04 6:54 ` Alex Shi
2024-09-04 20:04 ` Vishal Moola
2024-09-12 2:28 ` Alex Shi [this message]
2024-12-02 20:05 ` Vishal Moola
2024-12-03 13:58 ` Alex Shi
2024-12-04 14:01 ` Hyeonggon Yoo
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