[PATCH] x86: define LOADED_MM_SWITCHING with pointer-sized number

[Jann Horn]

sparse complains that LOADED_MM_SWITCHING's definition casts an int to a
pointer:

arch/x86/mm/tlb.c:409:17: warning: non size-preserving integer to pointer
cast

Use a pointer-sized integer constant instead.

Signed-off-by: Jann Horn <ja...@google.com>
---
 arch/x86/include/asm/tlbflush.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/include/asm/tlbflush.h b/arch/x86/include/asm/tlbflush.h
index f4204bf377fc..90926e8dd1f8 100644
--- a/arch/x86/include/asm/tlbflush.h
+++ b/arch/x86/include/asm/tlbflush.h
@@ -167,7 +167,7 @@ struct tlb_state {
         */
        struct mm_struct *loaded_mm;
 
-#define LOADED_MM_SWITCHING ((struct mm_struct *)1)
+#define LOADED_MM_SWITCHING ((struct mm_struct *)1UL)
 
        /* Last user mm for optimizing IBPB */
        union {
-- 
2.21.0.392.gf8f6787159e-goog