Messages in this thread | | | Date | Sat, 11 Jun 2022 10:46:10 +0100 | From | Catalin Marinas <> | Subject | Re: [PATCH v3 3/3] mm: kmemleak: check physical address when scan |
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On Sat, Jun 11, 2022 at 11:46:27AM +0800, Patrick Wang wrote: > I've received an auto build test WARNING from kernel test robot: > > mm/kmemleak.c: In function 'scan_object': > >> arch/powerpc/include/asm/page.h:215:42: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] > 215 | #define __va(x) ((void *)(unsigned long)((phys_addr_t)(x) + VIRT_PHYS_OFFSET)) > | ^ > mm/kmemleak.c:1403:19: note: in expansion of macro '__va' > 1403 | __va((void *)object->pointer) : > | ^~~~
Ah, yes, arm32 has the same issue with phys_addr_t defined as u64 in some configurations while long is 32-bit.
> So I will replace __va((void *)object->pointer) > to __va((phys_addr_t)object->pointer) for fixing this warning,
It makes sense.
-- Catalin
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