Hi Ivan,
Thank you for the patch! Yet something to improve:
[auto build test ERROR on net-next/master]
url: https://github.com/0day-ci/linux/commits/Ivan-Khoronzhuk/xdp-xdp_umem-fix-umem-pages-mapping-for-32bits-systems/20190627-135949
config: x86_64-randconfig-x004-201925 (attached as .config)
compiler: gcc-7 (Debian 7.4.0-9) 7.4.0
reproduce:
# save the attached .config to linux build tree
make ARCH=x86_64
If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <lkp@xxxxxxxxx>
All error/warnings (new ones prefixed by >>):
net//xdp/xdp_umem.c: In function 'xdp_umem_unmap_pages':
>> net//xdp/xdp_umem.c:177:3: error: implicit declaration of function 'kunmap'; did you mean 'vunmap'? [-Werror=implicit-function-declaration]
kunmap(umem->pgs[i]);
^~~~~~
vunmap
net//xdp/xdp_umem.c: In function 'xdp_umem_reg':
>> net//xdp/xdp_umem.c:384:25: error: implicit declaration of function 'kmap'; did you mean 'bmap'? [-Werror=implicit-function-declaration]
umem->pages[i].addr = kmap(umem->pgs[i]);
^~~~
bmap
>> net//xdp/xdp_umem.c:384:23: warning: assignment makes pointer from integer without a cast [-Wint-conversion]
umem->pages[i].addr = kmap(umem->pgs[i]);
^
cc1: some warnings being treated as errors
vim +177 net//xdp/xdp_umem.c
171
172 static void xdp_umem_unmap_pages(struct xdp_umem *umem)
173 {
174 unsigned int i;
175
176 for (i = 0; i < umem->npgs; i++)
> 177 kunmap(umem->pgs[i]);
178 }
179
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