d/freebsd-dev
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

mbuf: add m_free_raw to be used instead of directly calling uma_zfree

Browse Source 
The intent is to remove all direct zone_mbuf consumers so that ctor/dtor
from that zone can be reimplemented as wrappers around uma, avoiding an
indirect function call.

Reviewed by:	kbowling
Discussed with:	gallatin
Sponsored by:	Rubicon Communications, LLC ("Netgate")
Differential Revision:	https://reviews.freebsd.org/D30959
This commit is contained in:
Mateusz Guzik 2021-06-30 16:15:25 +02:00
parent fb32c8dbeb
commit 05462babd4
2 changed files with 11 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
sys/kern/kern_mbuf.c
View File

@ -1526,6 +1526,16 @@ m_freem(struct mbuf *mb)
mb = m_free(mb);
}
/*
* Temporary primitive to allow freeing without going through m_free.
*/
void
m_free_raw(struct mbuf *mb)
{
uma_zfree(zone_mbuf, mb);
}
int
m_snd_tag_alloc(struct ifnet *ifp, union if_snd_tag_alloc_params *params,
struct m_snd_tag **mstp)

1
sys/sys/mbuf.h
View File

@ -825,6 +825,7 @@ void m_extadd(struct mbuf *, char *, u_int, m_ext_free_t,
u_int m_fixhdr(struct mbuf *);
struct mbuf *m_fragment(struct mbuf *, int, int);
void m_freem(struct mbuf *);
void m_free_raw(struct mbuf *);
struct mbuf *m_get2(int, int, short, int);
struct mbuf *m_getjcl(int, short, int, int);
struct mbuf *m_getm2(struct mbuf *, int, int, short, int);