Re: [PATCH RFC v3 1/4] mm: zsmalloc: support objects compressed based on multiple pages

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To: Barry Song <21cnbao@xxxxxxxxx>
Subject: Re: [PATCH RFC v3 1/4] mm: zsmalloc: support objects compressed based on multiple pages
From: Sergey Senozhatsky <senozhatsky@xxxxxxxxxxxx>
Date: Tue, 26 Nov 2024 14:37:01 +0900
Cc: akpm@xxxxxxxxxxxxxxxxxxxx, linux-mm@xxxxxxxxx, axboe@xxxxxxxxx, bala.seshasayee@xxxxxxxxxxxxxxx, chrisl@xxxxxxxxxx, david@xxxxxxxxxx, hannes@xxxxxxxxxxx, kanchana.p.sridhar@xxxxxxxxx, kasong@xxxxxxxxxxx, linux-block@xxxxxxxxxxxxxxx, minchan@xxxxxxxxxx, nphamcs@xxxxxxxxx, ryan.roberts@xxxxxxx, senozhatsky@xxxxxxxxxxxx, surenb@xxxxxxxxxx, terrelln@xxxxxx, usamaarif642@xxxxxxxxx, v-songbaohua@xxxxxxxx, wajdi.k.feghali@xxxxxxxxx, willy@xxxxxxxxxxxxx, ying.huang@xxxxxxxxx, yosryahmed@xxxxxxxxxx, yuzhao@xxxxxxxxxx, zhengtangquan@xxxxxxxx, zhouchengming@xxxxxxxxxxxxx
In-reply-to: <20241121222521.83458-2-21cnbao@gmail.com>
References: <20241121222521.83458-1-21cnbao@gmail.com> <20241121222521.83458-2-21cnbao@gmail.com>

On (24/11/22 11:25), Barry Song wrote:
>  static void reset_page(struct page *page)
>  {
> -	__ClearPageMovable(page);
> +	if (PageMovable(page))
> +		__ClearPageMovable(page);

A side note:
ERROR: modpost: "PageMovable" [mm/zsmalloc.ko] undefined!

Follow-Ups:
- Re: [PATCH RFC v3 1/4] mm: zsmalloc: support objects compressed based on multiple pages
  - From: Barry Song

References:
- [PATCH RFC v3 0/4] mTHP-friendly compression in zsmalloc and zram based on multi-pages
  - From: Barry Song
- [PATCH RFC v3 1/4] mm: zsmalloc: support objects compressed based on multiple pages
  - From: Barry Song

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