Author: hselasky
Date: Fri Jan 24 13:05:53 2020
New Revision: 357077
URL: https://svnweb.freebsd.org/changeset/base/357077
Log:
Implement mmget_not_zero() in the LinuxKPI.
Submitted by: Austin Shafer <asha...@badland.io>
MFC after: 1 week
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 Fri Jan 24
12:08:23 2020 (r357076)
+++ head/sys/compat/linuxkpi/common/include/linux/mm_types.h Fri Jan 24
13:05:53 2020 (r357077)
@@ -57,6 +57,12 @@ mmdrop(struct mm_struct *mm)
linux_mm_dtor(mm);
}
+static inline bool
+mmget_not_zero(struct mm_struct *mm)
+{
+ return (atomic_inc_not_zero(&mm->mm_users));
+}
+
static inline void
mmput(struct mm_struct *mm)
{
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