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-rw-r--r--kernel/bpf/arena.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/kernel/bpf/arena.c b/kernel/bpf/arena.c
index 343c3456c8dd..f5953f1a95cd 100644
--- a/kernel/bpf/arena.c
+++ b/kernel/bpf/arena.c
@@ -37,7 +37,7 @@
*/
/* number of bytes addressable by LDX/STX insn with 16-bit 'off' field */
-#define GUARD_SZ (1ull << sizeof(((struct bpf_insn *)0)->off) * 8)
+#define GUARD_SZ (1ull << sizeof_field(struct bpf_insn, off) * 8)
#define KERN_VM_SZ (SZ_4G + GUARD_SZ)
struct bpf_arena {
@@ -251,7 +251,7 @@ static vm_fault_t arena_vm_fault(struct vm_fault *vmf)
int ret;
kbase = bpf_arena_get_kern_vm_start(arena);
- kaddr = kbase + (u32)(vmf->address & PAGE_MASK);
+ kaddr = kbase + (u32)(vmf->address);
guard(mutex)(&arena->lock);
page = vmalloc_to_page((void *)kaddr);