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

Andrew Morton
2017-04-10T21:06:08Z

On Mon, 10 Apr 2017 16:45:57 +1000 Stephen Rothwell <sfr@canb.auug.org.au> wrote:

> 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.
>

No, mm-introduce-kvalloc-helpers.patch is still in there but I had it
staged after
mm-swap-use-kvzalloc-to-allocate-some-swap-data-structure.patch. ANd
after linux-next.patch which is presumably what tricked you.