Date: Fri, 24 Jan 2020 13:05:53 +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: r357077 - head/sys/compat/linuxkpi/common/include/linux Message-ID: <202001241305.00OD5rNF011651@repo.freebsd.org>
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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 <ashafer@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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