On Thu, Dec 07, 2017 at 08:32:04AM +0800, Qu Wenruo wrote:
>
>
> On 2017年12月06日 22:18, Arnd Bergmann wrote:
> > The return value of sizeof() is of type size_t, so we must print it
> > using the %z format modifier rather than %l to avoid this warning
> > on some architectures:
> >
> > fs/btrfs/tree-checker.c: In function 'check_dir_item':
> > fs/btrfs/tree-checker.c:273:50: error: format '%lu' expects argument of
> > type 'long unsigned int', but argument 5 has type 'u32' {aka 'unsigned
> > int'} [-Werror=format=]
>
> Any idea about which architecture will cause such warning?
> On x86_64 I always fail to get such warning.
The intel 0-day build bot compiles on various architectures and 32/64
setups, I'm not sure if this warning has been reported, no such mail in
my mboxes.
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