Date: Sat, 17 Feb 2018 20:52:54 +0000 (UTC) From: Hans Petter Selasky <hselasky@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r329467 - head/sys/compat/linuxkpi/common/include/linux Message-ID: <201802172052.w1HKqsTr054252@repo.freebsd.org>
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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 <johalun0@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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