diff options
Diffstat (limited to 'Documentation')
-rw-r--r-- | Documentation/DocBook/kernel-locking.tmpl | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/Documentation/DocBook/kernel-locking.tmpl b/Documentation/DocBook/kernel-locking.tmpl index 2e9d6b41f03..435413ca40d 100644 --- a/Documentation/DocBook/kernel-locking.tmpl +++ b/Documentation/DocBook/kernel-locking.tmpl | |||
@@ -241,7 +241,7 @@ | |||
241 | </para> | 241 | </para> |
242 | <para> | 242 | <para> |
243 | The third type is a semaphore | 243 | The third type is a semaphore |
244 | (<filename class="headerfile">include/asm/semaphore.h</filename>): it | 244 | (<filename class="headerfile">include/linux/semaphore.h</filename>): it |
245 | can have more than one holder at any time (the number decided at | 245 | can have more than one holder at any time (the number decided at |
246 | initialization time), although it is most commonly used as a | 246 | initialization time), although it is most commonly used as a |
247 | single-holder lock (a mutex). If you can't get a semaphore, your | 247 | single-holder lock (a mutex). If you can't get a semaphore, your |
@@ -290,7 +290,7 @@ | |||
290 | <para> | 290 | <para> |
291 | If you have a data structure which is only ever accessed from | 291 | If you have a data structure which is only ever accessed from |
292 | user context, then you can use a simple semaphore | 292 | user context, then you can use a simple semaphore |
293 | (<filename>linux/asm/semaphore.h</filename>) to protect it. This | 293 | (<filename>linux/linux/semaphore.h</filename>) to protect it. This |
294 | is the most trivial case: you initialize the semaphore to the number | 294 | is the most trivial case: you initialize the semaphore to the number |
295 | of resources available (usually 1), and call | 295 | of resources available (usually 1), and call |
296 | <function>down_interruptible()</function> to grab the semaphore, and | 296 | <function>down_interruptible()</function> to grab the semaphore, and |
@@ -1656,7 +1656,7 @@ the amount of locking which needs to be done. | |||
1656 | #include <linux/slab.h> | 1656 | #include <linux/slab.h> |
1657 | #include <linux/string.h> | 1657 | #include <linux/string.h> |
1658 | +#include <linux/rcupdate.h> | 1658 | +#include <linux/rcupdate.h> |
1659 | #include <asm/semaphore.h> | 1659 | #include <linux/semaphore.h> |
1660 | #include <asm/errno.h> | 1660 | #include <asm/errno.h> |
1661 | 1661 | ||
1662 | struct object | 1662 | struct object |