- Change internal function bpf_jit_compile() to return allocated size of

the generated binary and remove page size limitation for userland.
- Use contigmalloc(9)/contigfree(9) instead of malloc(9)/free(9) to make
sure the generated binary aligns properly and make it physically contiguous.

1 files changed, 1 insertions, 3 deletions

diff --git a/sys/net/bpf_jitter.h b/sys/net/bpf_jitter.h
index 76292cc13522..fa998687b93a 100644
--- a/sys/net/bpf_jitter.h
+++ b/sys/net/bpf_jitter.h
@@ -36,8 +36,6 @@
 
 #ifdef _KERNEL
 MALLOC_DECLARE(M_BPFJIT);
-#else
-#define	BPF_JIT_MAXSIZE		PAGE_SIZE
 #endif
 
 extern int bpf_jitter_enable;
@@ -55,7 +53,7 @@ typedef u_int (*bpf_filter_func)(u_char *, u_int, u_int);
 typedef struct bpf_jit_filter {
 	/* The native filtering binary, in the form of a bpf_filter_func. */
 	bpf_filter_func	func;
-
+	size_t		size;
 	int		mem[BPF_MEMWORDS];	/* Scratch memory */
 } bpf_jit_filter;