git: 671babc79497 - main - mbuf: make m_pullup() an inline over most expected case

The branch main has been updated by glebius:

URL: https://cgit.FreeBSD.org/src/commit/?id=671babc79497587ef5a59f58578f8fce9359398c

commit 671babc79497587ef5a59f58578f8fce9359398c
Author:     Gleb Smirnoff <glebius@FreeBSD.org>
AuthorDate: 2026-10-19 17:31:50 +0000
Commit:     Gleb Smirnoff <glebius@FreeBSD.org>
CommitDate: 2026-10-19 17:31:50 +0000

    mbuf: make m_pullup() an inline over most expected case
    
    Implement a most typical use of m_pullup() as an inline and leave only the
    heavy part as a function.  A sweeping change to make benefit of the new
    version follows.
    
    Reviewed by:            pouria, zlei, gallatin
    Differential Revision:  https://reviews.freebsd.org/D60688
---
 sys/kern/uipc_mbuf.c |  2 +-
 sys/sys/mbuf.h       | 11 ++++++++++-
 2 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/sys/kern/uipc_mbuf.c b/sys/kern/uipc_mbuf.c
index 5e9c13c55881..840110477504 100644
--- a/sys/kern/uipc_mbuf.c
+++ b/sys/kern/uipc_mbuf.c
@@ -926,7 +926,7 @@ m_adj_decap(struct mbuf *mp, int len)
  * contiguous region in an attempt to avoid being called next time.
  */
 struct mbuf *
-m_pullup(struct mbuf *n, int len)
+__m_pullup(struct mbuf *n, int len)
 {
 	struct mbuf *m;
 	int count;
diff --git a/sys/sys/mbuf.h b/sys/sys/mbuf.h
index 7651562f1392..8029369f7f7f 100644
--- a/sys/sys/mbuf.h
+++ b/sys/sys/mbuf.h
@@ -862,7 +862,7 @@ int		 m_pkthdr_init(struct mbuf *, int);
 struct mbuf	*m_prepend(struct mbuf *, int, int);
 void		 m_print(const struct mbuf *, int);
 struct mbuf	*m_pulldown(struct mbuf *, int, int, int *);
-struct mbuf	*m_pullup(struct mbuf *, int);
+struct mbuf	*__m_pullup(struct mbuf *, int);
 int		 m_sanity(struct mbuf *, int);
 struct mbuf	*m_split(struct mbuf *, int, int);
 struct mbuf	*m_uiotombuf(struct uio *, int, int, int, int);
@@ -877,6 +877,15 @@ void		 m_snd_tag_destroy(struct m_snd_tag *);
 void		 m_rcvif_serialize(struct mbuf *);
 struct ifnet	*m_rcvif_restore(struct mbuf *);
 
+static __inline struct mbuf *
+m_pullup(struct mbuf *m, int len)
+{
+	if (__predict_false(m->m_len < len))
+		return (__m_pullup(m, len));
+	else
+		return (m);
+}
+
 static __inline int
 m_gettype(int size)
 {