linux-kernel - linux-next: build failure after merge of the akpm-current tree

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Date:   Mon, 10 Apr 2017 16:45:57 +1000
From:   Stephen Rothwell <sfr@...b.auug.org.au>
To:     Andrew Morton <akpm@...ux-foundation.org>
Cc:     Linux-Next Mailing List <linux-next@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Huang Ying <ying.huang@...el.com>
Subject: linux-next: build failure after merge of the akpm-current tree

Hi Andrew,

After merging the akpm-current tree, today's linux-next build (arm
multi_v7_defconfig) failed like this:

mm/swap_slots.c: In function 'alloc_swap_slot_cache':
mm/swap_slots.c:126:10: error: implicit declaration of function 'kvzalloc' [-Werror=implicit-function-declaration]
  slots = kvzalloc(sizeof(swp_entry_t) * SWAP_SLOTS_CACHE_SIZE,
          ^
mm/swap_slots.c:126:8: warning: assignment makes pointer from integer without a cast [-Wint-conversion]
  slots = kvzalloc(sizeof(swp_entry_t) * SWAP_SLOTS_CACHE_SIZE,
        ^
mm/swap_slots.c:131:12: warning: assignment makes pointer from integer without a cast [-Wint-conversion]
  slots_ret = kvzalloc(sizeof(swp_entry_t) * SWAP_SLOTS_CACHE_SIZE,
            ^

Caused by commit

  22cf2f4616c6 ("mm, swap: U=use kvzalloc to allocate some swap data structure")

The patches adding kvzalloc seem to have vanished :-(

I have reverted that commit for today.

-- 
Cheers,
Stephen Rothwell