[PATCH bpf-next 2/2] bpf: fix bpf_prog_pack build HPAGE_PMD_SIZE

[Song Liu <song@xxxxxxxxxx>]

Fix build with CONFIG_TRANSPARENT_HUGEPAGE=n with BPF_PROG_PACK_SIZE as
PAGE_SIZE.

Fixes: 57631054fae6 ("bpf: Introduce bpf_prog_pack allocator")
Reported-by: kernel test robot <lkp@xxxxxxxxx>
Signed-off-by: Song Liu <song@xxxxxxxxxx>
---
 kernel/bpf/core.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/kernel/bpf/core.c b/kernel/bpf/core.c
index 306aa63fa58e..9519264ab1ee 100644
--- a/kernel/bpf/core.c
+++ b/kernel/bpf/core.c
@@ -814,7 +814,11 @@ int bpf_jit_add_poke_descriptor(struct bpf_prog *prog,
  * allocator. The prog_pack allocator uses HPAGE_PMD_SIZE page (2MB on x86)
  * to host BPF programs.
  */
+#ifdef CONFIG_TRANSPARENT_HUGEPAGE
 #define BPF_PROG_PACK_SIZE	HPAGE_PMD_SIZE
+#else
+#define BPF_PROG_PACK_SIZE	PAGE_SIZE
+#endif
 #define BPF_PROG_CHUNK_SHIFT	6
 #define BPF_PROG_CHUNK_SIZE	(1 << BPF_PROG_CHUNK_SHIFT)
 #define BPF_PROG_CHUNK_MASK	(~(BPF_PROG_CHUNK_SIZE - 1))
-- 
2.30.2