mirror/freebsd
1
0
Fork 0
mirror of https://git.FreeBSD.org/src.git synced 2025-01-02 12:20:51 +00:00
Code Issues Releases Activity

Lock the page around hold_count access.

Browse Source 
Reviewed by:	alc
This commit is contained in:
Konstantin Belousov 2010-05-02 19:25:22 +00:00
parent 139a0de7f1
commit a0b8e597e5
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=207535
1 changed files with 2 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
sys/kern/uipc_syscalls.c
View File

@ -2108,6 +2108,7 @@ kern_sendfile(struct thread *td, struct sendfile_args *uap,
mbstat.sf_iocnt++;
}
if (error) {
vm_page_lock(pg);
vm_page_lock_queues();
vm_page_unwire(pg, 0);
/*
@ -2121,6 +2122,7 @@ kern_sendfile(struct thread *td, struct sendfile_args *uap,
vm_page_free(pg);
}
vm_page_unlock_queues();
vm_page_unlock(pg);
VM_OBJECT_UNLOCK(obj);
if (error == EAGAIN)
error = 0; /* not a real error */