Date: Mon, 3 Feb 2020 10:59:27 +0000 (UTC) From: Hans Petter Selasky <hselasky@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-12@freebsd.org Subject: svn commit: r357435 - stable/12/sys/compat/linuxkpi/common/include/linux Message-ID: <202002031059.013AxRYq054002@repo.freebsd.org>
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Author: hselasky Date: Mon Feb 3 10:59:27 2020 New Revision: 357435 URL: https://svnweb.freebsd.org/changeset/base/357435 Log: MFC r357077: Implement mmget_not_zero() in the LinuxKPI. Submitted by: Austin Shafer <ashafer@badland.io> Sponsored by: Mellanox Technologies Modified: stable/12/sys/compat/linuxkpi/common/include/linux/mm_types.h Directory Properties: stable/12/ (props changed) Modified: stable/12/sys/compat/linuxkpi/common/include/linux/mm_types.h ============================================================================== --- stable/12/sys/compat/linuxkpi/common/include/linux/mm_types.h Mon Feb 3 10:57:37 2020 (r357434) +++ stable/12/sys/compat/linuxkpi/common/include/linux/mm_types.h Mon Feb 3 10:59:27 2020 (r357435) @@ -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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