Re: [kvm-unit-tests PATCH v1 2/2] lib/alloc_page: Fix compilation issue on 32bit archs

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On Tue, 14 Jul 2020 13:20:16 +0200
Thomas Huth <thuth@xxxxxxxxxx> wrote:

> On 14/07/2020 13.09, Claudio Imbrenda wrote:
> > The assert in lib/alloc_page is hardcoded to long, and size_t is
> > just an int on 32 bit architectures.
> > 
> > Adding a cast makes the compiler happy.
> > 
> > Fixes: 73f4b202beb39 ("lib/alloc_page: change some parameter types")
> > Signed-off-by: Claudio Imbrenda <imbrenda@xxxxxxxxxxxxx>
> > ---
> >  lib/alloc_page.c | 5 +++--
> >  1 file changed, 3 insertions(+), 2 deletions(-)
> > 
> > diff --git a/lib/alloc_page.c b/lib/alloc_page.c
> > index fa3c527..617b003 100644
> > --- a/lib/alloc_page.c
> > +++ b/lib/alloc_page.c
> > @@ -29,11 +29,12 @@ void free_pages(void *mem, size_t size)
> >  	assert_msg((unsigned long) mem % PAGE_SIZE == 0,
> >  		   "mem not page aligned: %p", mem);
> >  
> > -	assert_msg(size % PAGE_SIZE == 0, "size not page aligned:
> > %#lx", size);
> > +	assert_msg(size % PAGE_SIZE == 0, "size not page aligned:
> > %#lx",
> > +		(unsigned long)size);
> >  
> >  	assert_msg(size == 0 || (uintptr_t)mem == -size ||
> >  		   (uintptr_t)mem + size > (uintptr_t)mem,
> > -		   "mem + size overflow: %p + %#lx", mem, size);
> > +		   "mem + size overflow: %p + %#lx", mem,
> > (unsigned long)size);  
> 
> Looking at lib/printf.c, it seems like it also supports %z ... have
> you tried?

no, but in hindsight I should have. It's probably a much cleaner
solution. I'll try and respin.




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