Prevent PAGE_SIZE redefinition warnings that can occur due to namespace pollution from included headers.
Add an #ifndef directive before defining PAGE_SIZE to avoid redefinition conflicts.
Signed-off-by: Aqib Faruqui aqibaf@amazon.com --- tools/testing/selftests/kvm/include/x86/processor.h | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/tools/testing/selftests/kvm/include/x86/processor.h b/tools/testing/selftests/kvm/include/x86/processor.h index 2efb05c2f..3f93d1b4f 100644 --- a/tools/testing/selftests/kvm/include/x86/processor.h +++ b/tools/testing/selftests/kvm/include/x86/processor.h @@ -368,7 +368,9 @@ static inline unsigned int x86_model(unsigned int eax) #define PHYSICAL_PAGE_MASK GENMASK_ULL(51, 12)
#define PAGE_SHIFT 12 +#ifndef PAGE_SIZE #define PAGE_SIZE (1ULL << PAGE_SHIFT) +#endif #define PAGE_MASK (~(PAGE_SIZE-1) & PHYSICAL_PAGE_MASK)
#define HUGEPAGE_SHIFT(x) (PAGE_SHIFT + (((x) - 1) * 9))