linux-kernel - Re: [PATCH 8/8] mm: page_alloc: consolidate free page accounting

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Message-ID: <20230824013425.GA52469@cmpxchg.org>
Date:   Wed, 23 Aug 2023 21:34:25 -0400
From:   Johannes Weiner <hannes@...xchg.org>
To:     kernel test robot <lkp@...el.com>
Cc:     Andrew Morton <akpm@...ux-foundation.org>, llvm@...ts.linux.dev,
        oe-kbuild-all@...ts.linux.dev,
        Linux Memory Management List <linux-mm@...ck.org>,
        Vlastimil Babka <vbabka@...e.cz>, Mel Gorman <mgorman@...e.de>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 8/8] mm: page_alloc: consolidate free page accounting

On Thu, Aug 24, 2023 at 06:40:58AM +0800, kernel test robot wrote:
> >> mm/page_alloc.c:6702:2: error: call to undeclared function '__mod_zone_freepage_state'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
>            __mod_zone_freepage_state(zone, -MAX_ORDER_NR_PAGES, MIGRATE_MOVABLE);
>            ^
>    mm/page_alloc.c:6702:2: note: did you mean '__mod_zone_page_state'?
>    include/linux/vmstat.h:319:20: note: '__mod_zone_page_state' declared here
>    static inline void __mod_zone_page_state(struct zone *zone,
>                       ^
>    mm/page_alloc.c:6754:2: error: call to undeclared function '__mod_zone_freepage_state'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
>            __mod_zone_freepage_state(zone, MAX_ORDER_NR_PAGES, MIGRATE_MOVABLE);
>            ^
>    2 errors generated.

Ah, that's in the new unaccepted memory bits. I'll fix those up in v2.