[dm-devel] [dm:for-next 29/30] drivers//md/dm-clone-target.c:563:14: error: implicit declaration of function 'vmalloc'; did you mean 'kmalloc'?
Mike Snitzer
snitzer at redhat.com
Wed Sep 11 18:22:51 UTC 2019
I resolved this and pushed new code, thanks!
On Wed, Sep 11 2019 at 12:03pm -0400,
kbuild test robot <lkp at intel.com> wrote:
> tree: https://kernel.googlesource.com/pub/scm/linux/kernel/git/device-mapper/linux-dm.git for-next
> head: 509818079bf1fefff4ed02d6a1b994e20efc0480
> commit: 1529a543debdf75fb26e7ecd732da0cc36f78a36 [29/30] dm: add clone target
> config: sparc64-allmodconfig (attached as .config)
> compiler: sparc64-linux-gcc (GCC) 7.4.0
> reproduce:
> wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
> chmod +x ~/bin/make.cross
> git checkout 1529a543debdf75fb26e7ecd732da0cc36f78a36
> # save the attached .config to linux build tree
> GCC_VERSION=7.4.0 make.cross ARCH=sparc64
>
> If you fix the issue, kindly add following tag
> Reported-by: kbuild test robot <lkp at intel.com>
>
> All error/warnings (new ones prefixed by >>):
>
> drivers//md/dm-clone-target.c: In function 'hash_table_init':
> >> drivers//md/dm-clone-target.c:563:14: error: implicit declaration of function 'vmalloc'; did you mean 'kmalloc'? [-Werror=implicit-function-declaration]
> clone->ht = vmalloc(sz * sizeof(struct hash_table_bucket));
> ^~~~~~~
> kmalloc
> >> drivers//md/dm-clone-target.c:563:12: warning: assignment makes pointer from integer without a cast [-Wint-conversion]
> clone->ht = vmalloc(sz * sizeof(struct hash_table_bucket));
> ^
> drivers//md/dm-clone-target.c: In function 'hash_table_exit':
> >> drivers//md/dm-clone-target.c:579:2: error: implicit declaration of function 'vfree'; did you mean 'kfree'? [-Werror=implicit-function-declaration]
> vfree(clone->ht);
> ^~~~~
> kfree
> cc1: some warnings being treated as errors
> --
> drivers//md/dm-clone-metadata.c: In function 'dirty_map_init':
> >> drivers//md/dm-clone-metadata.c:466:28: error: implicit declaration of function 'vzalloc'; did you mean 'kvzalloc'? [-Werror=implicit-function-declaration]
> md->dmap[0].dirty_words = vzalloc(bitmap_size(md->nr_words));
> ^~~~~~~
> kvzalloc
> >> drivers//md/dm-clone-metadata.c:466:26: warning: assignment makes pointer from integer without a cast [-Wint-conversion]
> md->dmap[0].dirty_words = vzalloc(bitmap_size(md->nr_words));
> ^
> drivers//md/dm-clone-metadata.c:474:26: warning: assignment makes pointer from integer without a cast [-Wint-conversion]
> md->dmap[1].dirty_words = vzalloc(bitmap_size(md->nr_words));
> ^
> >> drivers//md/dm-clone-metadata.c:478:3: error: implicit declaration of function 'vfree'; did you mean 'kvfree'? [-Werror=implicit-function-declaration]
> vfree(md->dmap[0].dirty_words);
> ^~~~~
> kvfree
> drivers//md/dm-clone-metadata.c: In function 'dm_clone_metadata_open':
> >> drivers//md/dm-clone-metadata.c:553:19: error: implicit declaration of function 'vmalloc'; did you mean 'kvmalloc'? [-Werror=implicit-function-declaration]
> md->region_map = vmalloc(bitmap_size(md->nr_regions));
> ^~~~~~~
> kvmalloc
> drivers//md/dm-clone-metadata.c:553:17: warning: assignment makes pointer from integer without a cast [-Wint-conversion]
> md->region_map = vmalloc(bitmap_size(md->nr_regions));
> ^
> cc1: some warnings being treated as errors
>
> vim +563 drivers//md/dm-clone-target.c
>
> 549
> 550 #define bucket_lock_irqsave(bucket, flags) \
> 551 spin_lock_irqsave(&(bucket)->lock, flags)
> 552
> 553 #define bucket_unlock_irqrestore(bucket, flags) \
> 554 spin_unlock_irqrestore(&(bucket)->lock, flags)
> 555
> 556 static int hash_table_init(struct clone *clone)
> 557 {
> 558 unsigned int i, sz;
> 559 struct hash_table_bucket *bucket;
> 560
> 561 sz = 1 << HASH_TABLE_BITS;
> 562
> > 563 clone->ht = vmalloc(sz * sizeof(struct hash_table_bucket));
> 564 if (!clone->ht)
> 565 return -ENOMEM;
> 566
> 567 for (i = 0; i < sz; i++) {
> 568 bucket = clone->ht + i;
> 569
> 570 INIT_HLIST_HEAD(&bucket->head);
> 571 spin_lock_init(&bucket->lock);
> 572 }
> 573
> 574 return 0;
> 575 }
> 576
> 577 static void hash_table_exit(struct clone *clone)
> 578 {
> > 579 vfree(clone->ht);
> 580 }
> 581
>
> ---
> 0-DAY kernel test infrastructure Open Source Technology Center
> https://lists.01.org/pipermail/kbuild-all Intel Corporation
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