From 68653c3bd6313733fda77c8069fa2b02f4ba1a1e Mon Sep 17 00:00:00 2001 From: Andriy Gapon Date: Tue, 21 Sep 2010 05:58:45 +0000 Subject: [PATCH] zfs_map_page/zfs_unmap_page: do not use sched_pin() and SFB_CPUPRIVATE zfs_map_page/zfs_unmap_page are mostly called around potential I/O paths and it seems to be a not very good idea to do cpu pinning there. Suggested by: kib MFC after: 2 weeks --- sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_vnops.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_vnops.c b/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_vnops.c index 935357214a0..99ee2ebcc78 100644 --- a/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_vnops.c +++ b/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_vnops.c @@ -358,8 +358,7 @@ static caddr_t zfs_map_page(vm_page_t pp, struct sf_buf **sfp) { - sched_pin(); - *sfp = sf_buf_alloc(pp, SFB_CPUPRIVATE); + *sfp = sf_buf_alloc(pp, 0); return ((caddr_t)sf_buf_kva(*sfp)); } @@ -368,7 +367,6 @@ zfs_unmap_page(struct sf_buf *sf) { sf_buf_free(sf); - sched_unpin(); }