linux-kernel - vmscan: Reclaim unevictable pages

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Message-ID: <SG2PR02MB309806967AE91179CAFEC34BE84B0@SG2PR02MB3098.apcprd02.prod.outlook.com>
Date:   Thu, 14 Mar 2019 07:53:53 +0000
From:   Pankaj Suryawanshi <pankaj.suryawanshi@...fochips.com>
To:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
CC:     "minchan@...nel.org" <minchan@...nel.org>
Subject: vmscan: Reclaim unevictable pages

Hello ,

shrink_page_list() returns , number of pages reclaimed, when pages is unevictable it returns VM_BUG_ON_PAGE(PageLRU(page) || PageUnevicatble(page),page);

We can add the unevictable pages in reclaim list in shrink_page_list(), return total number of reclaim pages including unevictable pages, let the caller handle unevictable pages.

Regards,
Pankaj
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