linux-kernel - Re: [PATCH v10 24/33] mm/swap: Add folio_rotate

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Message-ID: <86fb536c-2ffc-a3e4-9c7b-5b2708c444b0@suse.cz>
Date:   Tue, 18 May 2021 12:48:49 +0200
From:   Vlastimil Babka <vbabka@...e.cz>
To:     "Matthew Wilcox (Oracle)" <willy@...radead.org>,
        akpm@...ux-foundation.org
Cc:     linux-fsdevel@...r.kernel.org, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v10 24/33] mm/swap: Add folio_rotate_reclaimable

On 5/11/21 11:47 PM, Matthew Wilcox (Oracle) wrote:
> Move the declaration into mm/internal.h and rename
> rotate_reclaimable_page() to folio_rotate_reclaimable().  This eliminates
> all five of the calls to compound_head() in this function, saving 75 bytes
> at the cost of adding 14 bytes to its one caller, end_page_writeback().
> Net 61 bytes savings.
> 
> Signed-off-by: Matthew Wilcox (Oracle) <willy@...radead.org>

Acked-by: Vlastimil Babka <vbabka@...e.cz>