Author: mjg
Date: Thu Sep 19 21:23:14 2019
New Revision: 352543
URL: https://svnweb.freebsd.org/changeset/base/352543
Log:
vfs: group fields used for per-cpu ops in one cacheline
Sponsored by: The FreeBSD Foundation
Modified:
head/sys/kern/vfs_mount.c
head/sys/sys/mount.h
Modified: head/sys/kern/vfs_mount.c
==============================================================================
--- head/sys/kern/vfs_mount.c Thu Sep 19 21:13:51 2019 (r352542)
+++ head/sys/kern/vfs_mount.c Thu Sep 19 21:23:14 2019 (r352543)
@@ -157,7 +157,7 @@ vfs_mount_init(void *dummy __unused)
{
mount_zone = uma_zcreate("Mountpoints", sizeof(struct mount), NULL,
- NULL, mount_init, mount_fini, UMA_ALIGN_PTR, UMA_ZONE_NOFREE);
+ NULL, mount_init, mount_fini, UMA_ALIGN_CACHE, UMA_ZONE_NOFREE);
}
SYSINIT(vfs_mount, SI_SUB_VFS, SI_ORDER_ANY, vfs_mount_init, NULL);
Modified: head/sys/sys/mount.h
==============================================================================
--- head/sys/sys/mount.h Thu Sep 19 21:13:51 2019 (r352542)
+++ head/sys/sys/mount.h Thu Sep 19 21:23:14 2019 (r352543)
@@ -226,7 +226,7 @@ struct mount {
struct lock mnt_explock; /* vfs_export walkers lock */
TAILQ_ENTRY(mount) mnt_upper_link; /* (m) we in the all uppers */
TAILQ_HEAD(, mount) mnt_uppers; /* (m) upper mounts over us*/
- int mnt_vfs_ops; /* (i) pending vfs ops */
+ int __aligned(CACHE_LINE_SIZE) mnt_vfs_ops;/* (i) pending vfs ops */
int *mnt_thread_in_ops_pcpu;
int *mnt_ref_pcpu;
int *mnt_lockref_pcpu;
_______________________________________________
svn-src-all@freebsd.org mailing list
https://lists.freebsd.org/mailman/listinfo/svn-src-all
To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"
