Author: mjg
Date: Mon Jan 30 03:07:32 2017
New Revision: 312980
URL: https://svnweb.freebsd.org/changeset/base/312980
Log:
fd: sprinkle __read_mostly and __exclusive_cache_line
Modified:
head/sys/kern/kern_descrip.c
Modified: head/sys/kern/kern_descrip.c
==============================================================================
--- head/sys/kern/kern_descrip.c Mon Jan 30 03:04:33 2017
(r312979)
+++ head/sys/kern/kern_descrip.c Mon Jan 30 03:07:32 2017
(r312980)
@@ -97,8 +97,8 @@ MALLOC_DEFINE(M_FILECAPS, "filecaps", "d
MALLOC_DECLARE(M_FADVISE);
-static uma_zone_t file_zone;
-static uma_zone_t filedesc0_zone;
+static __read_mostly uma_zone_t file_zone;
+static __read_mostly uma_zone_t filedesc0_zone;
static int closefp(struct filedesc *fdp, int fd, struct file *fp,
struct thread *td, int holdleaders);
@@ -168,9 +168,9 @@ struct filedesc0 {
/*
* Descriptor management.
*/
-volatile int openfiles; /* actual number of open files
*/
+volatile int __exclusive_cache_line openfiles; /* actual number of open files
*/
struct mtx sigio_lock; /* mtx to protect pointers to sigio */
-void (*mq_fdclose)(struct thread *td, int fd, struct file *fp);
+void __read_mostly (*mq_fdclose)(struct thread *td, int fd, struct file *fp);
/*
* If low >= size, just return low. Otherwise find the first zero bit in the
_______________________________________________
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"
