From: Sergey Senozhatsky <senozhatsky@chromium.org>
To: alexs@kernel.org
Cc: 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 v4 03/22] mm/zsmalloc: convert __zs_map_object/__zs_unmap_object to use zpdesc
Date: Tue, 30 Jul 2024 18:38:35 +0900 [thread overview]
Message-ID: <20240730093835.GC16599@google.com> (raw)
In-Reply-To: <20240729112534.3416707-4-alexs@kernel.org>
On (24/07/29 19:25), alexs@kernel.org wrote:
> +static inline void *zpdesc_kmap_atomic(struct zpdesc *zpdesc)
> +{
> + return kmap_atomic(zpdesc_page(zpdesc));
> +}
> +
[..]
> /* copy object to per-cpu buffer */
> - addr = kmap_atomic(pages[0]);
> + addr = zpdesc_kmap_atomic(zpdescs[0]);
> memcpy(buf, addr + off, sizes[0]);
> kunmap_atomic(addr);
> - addr = kmap_atomic(pages[1]);
> + addr = zpdesc_kmap_atomic(zpdescs[1]);
> memcpy(buf + sizes[0], addr, sizes[1]);
> kunmap_atomic(addr);
Don't know if kmap_atomic() wrapper buys us anything, but okay.
next prev parent reply other threads:[~2024-07-30 9:38 UTC|newest]
Thread overview: 50+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-07-29 11:25 [PATCH v4 00/22] mm/zsmalloc: add zpdesc memory descriptor for zswap.zpool alexs
2024-07-29 11:25 ` [PATCH v4 01/22] " alexs
2024-08-02 18:52 ` Vishal Moola
2024-08-05 4:06 ` Alex Shi
2024-08-08 18:21 ` Vishal Moola
2024-08-09 1:57 ` Alex Shi
2024-08-02 19:30 ` Matthew Wilcox
2024-08-05 4:36 ` Alex Shi
2024-07-29 11:25 ` [PATCH v4 02/22] mm/zsmalloc: use zpdesc in trylock_zspage/lock_zspage alexs
2024-08-02 19:02 ` Vishal Moola
2024-08-05 7:55 ` Alex Shi
2024-07-29 11:25 ` [PATCH v4 03/22] mm/zsmalloc: convert __zs_map_object/__zs_unmap_object to use zpdesc alexs
2024-07-30 9:38 ` Sergey Senozhatsky [this message]
2024-07-29 11:25 ` [PATCH v4 04/22] mm/zsmalloc: add and use pfn/zpdesc seeking funcs alexs
2024-07-29 11:25 ` [PATCH v4 05/22] mm/zsmalloc: convert obj_malloc() to use zpdesc alexs
2024-07-29 11:25 ` [PATCH v4 06/22] mm/zsmalloc: convert create_page_chain() and its users " alexs
2024-08-02 19:09 ` Vishal Moola
2024-08-05 8:20 ` Alex Shi
2024-08-08 18:25 ` Vishal Moola
2024-08-09 1:57 ` Alex Shi
2024-07-29 11:25 ` [PATCH v4 07/22] mm/zsmalloc: convert obj_allocated() and related helpers " alexs
2024-07-29 11:25 ` [PATCH v4 08/22] mm/zsmalloc: convert init_zspage() " alexs
2024-07-29 11:25 ` [PATCH v4 09/22] mm/zsmalloc: convert obj_to_page() and zs_free() " alexs
2024-07-29 11:25 ` [PATCH v4 10/22] mm/zsmalloc: add zpdesc_is_isolated/zpdesc_zone helper for zs_page_migrate alexs
2024-07-29 11:25 ` [PATCH v4 11/22] mm/zsmalloc: rename reset_page to reset_zpdesc and use zpdesc in it alexs
2024-07-29 11:25 ` [PATCH v4 12/22] mm/zsmalloc: convert __free_zspage() to use zdsesc alexs
2024-07-29 11:25 ` [PATCH v4 13/22] mm/zsmalloc: convert location_to_obj() to take zpdesc alexs
2024-07-29 11:25 ` [PATCH v4 14/22] mm/zsmalloc: convert migrate_zspage() to use zpdesc alexs
2024-07-29 11:25 ` [PATCH v4 15/22] mm/zsmalloc: convert get_zspage() to take zpdesc alexs
2024-07-29 11:25 ` [PATCH v4 16/22] mm/zsmalloc: convert SetZsPageMovable and remove unused funcs alexs
2024-07-29 11:25 ` [PATCH v4 17/22] mm/zsmalloc: convert get/set_first_obj_offset() to take zpdesc alexs
2024-07-29 11:25 ` [PATCH v4 18/22] mm/zsmalloc: introduce __zpdesc_clear_movable alexs
2024-07-30 9:34 ` Sergey Senozhatsky
2024-07-30 11:38 ` Alex Shi
2024-07-29 11:25 ` [PATCH v4 19/22] mm/zsmalloc: introduce __zpdesc_clear_zsmalloc alexs
2024-07-29 11:25 ` [PATCH v4 20/22] mm/zsmalloc: introduce __zpdesc_set_zsmalloc() alexs
2024-08-02 19:11 ` Vishal Moola
2024-08-05 8:28 ` Alex Shi
2024-07-29 11:25 ` [PATCH v4 21/22] mm/zsmalloc: fix build warning from lkp testing alexs
2024-08-02 19:13 ` Vishal Moola
2024-08-05 8:38 ` Alex Shi
2024-07-29 11:25 ` [PATCH v4 22/22] mm/zsmalloc: update comments for page->zpdesc changes alexs
2024-07-30 9:37 ` Sergey Senozhatsky
2024-07-30 11:45 ` Alex Shi
2024-07-31 2:16 ` Sergey Senozhatsky
2024-07-31 4:14 ` Alex Shi
2024-08-01 3:13 ` Sergey Senozhatsky
2024-08-01 3:35 ` Matthew Wilcox
2024-08-01 8:06 ` Alex Shi
2024-07-30 12:31 ` [PATCH 23/23] mm/zsmalloc: introduce zpdesc_clear_first() helper alexs
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