Author: mjg
Date: Thu Mar 16 08:37:05 2017
New Revision: 315396
URL: https://svnweb.freebsd.org/changeset/base/315396
Log:
MFC r312980:
fd: sprinkle __read_mostly and __exclusive_cache_line
Modified:
stable/11/sys/kern/kern_descrip.c
Directory Properties:
stable/11/ (props changed)
Modified: stable/11/sys/kern/kern_descrip.c
==============================================================================
--- stable/11/sys/kern/kern_descrip.c Thu Mar 16 08:35:27 2017
(r315395)
+++ stable/11/sys/kern/kern_descrip.c Thu Mar 16 08:37:05 2017
(r315396)
@@ -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
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