linux-kernel - Re: [PATCH v3 3/4] zram: make deduplication feature optional

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Message-ID: <CAAmzW4NbQd8Y-=7Js4OwLmmUOEWQt5_=XYBC-aVe_JpiTfig6A@mail.gmail.com>
Date:   Wed, 26 Apr 2017 09:53:33 +0900
From:   Joonsoo Kim <js1304@...il.com>
To:     Sergey Senozhatsky <sergey.senozhatsky.work@...il.com>
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        Minchan Kim <minchan@...nel.org>,
        Sergey Senozhatsky <sergey.senozhatsky@...il.com>,
        LKML <linux-kernel@...r.kernel.org>, kernel-team@....com,
        Joonsoo Kim <iamjoonsoo.kim@....com>
Subject: Re: [PATCH v3 3/4] zram: make deduplication feature optional

2017-04-25 19:24 GMT+09:00 Sergey Senozhatsky
<sergey.senozhatsky.work@...il.com>:
> Hello,
>
> On (04/21/17 10:14), js1304@...il.com wrote:
> [..]
>>  int zram_dedup_init(struct zram *zram, size_t num_pages);
>>  void zram_dedup_fini(struct zram *zram);
>> +#else
>> +
>> +static inline u64 zram_dedup_dup_size(struct zram *zram) { return 0; }
>> +static inline u64 zram_dedup_meta_size(struct zram *zram) { return 0; }
>> +
>> +static inline void zram_dedup_insert(struct zram *zram, struct zram_entry *new,
>> +                     u32 checksum) { }
>> +static inline struct zram_entry *zram_dedup_find(struct zram *zram,
>> +                     struct page *page, u32 *checksum) { return NULL; }
>> +
>> +static inline void zram_dedup_init_entry(struct zram *zram,
>> +                     struct zram_entry *entry, unsigned long handle,
>> +                     unsigned int len) { }
>> +static inline bool zram_dedup_put_entry(struct zram *zram,
>> +                     struct zram_entry *entry) { return true; }
>> +
>> +static inline int zram_dedup_init(struct zram *zram,
>> +                     size_t num_pages) { return 0; }
>> +static inline void zram_dedup_fini(struct zram *zram) { }
>> +
>> +#endif
>
> doesn't compile on CONFIG_ZRAM=m config.

Hello,

Good catch!
I fixed it and sent update version, v4.

Thanks.