Author: hselasky
Date: Sat Feb 17 20:52:54 2018
New Revision: 329467
URL: https://svnweb.freebsd.org/changeset/base/329467
Log:
Add support for mmgrab() function in the LinuxKPI.
MFC after: 1 week
Submitted by: Johannes Lundberg <johal...@gmail.com>
Sponsored by: Mellanox Technologies
Modified:
head/sys/compat/linuxkpi/common/include/linux/mm_types.h
Modified: head/sys/compat/linuxkpi/common/include/linux/mm_types.h
==============================================================================
--- head/sys/compat/linuxkpi/common/include/linux/mm_types.h Sat Feb 17
20:50:18 2018 (r329466)
+++ head/sys/compat/linuxkpi/common/include/linux/mm_types.h Sat Feb 17
20:52:54 2018 (r329467)
@@ -62,6 +62,12 @@ mmput(struct mm_struct *mm)
mmdrop(mm);
}
+static inline void
+mmgrab(struct mm_struct *mm)
+{
+ atomic_inc(&mm->mm_count);
+}
+
extern struct mm_struct *linux_get_task_mm(struct task_struct *);
#define get_task_mm(task) linux_get_task_mm(task)
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