Date: Tue, 5 Jun 2018 15:37:29 +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: r334660 - head/sys/compat/linuxkpi/common/include/linux Message-ID: <201806051537.w55FbTTS038972@repo.freebsd.org>
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Author: hselasky Date: Tue Jun 5 15:37:28 2018 New Revision: 334660 URL: https://svnweb.freebsd.org/changeset/base/334660 Log: Add "access" function pointer to the "vm_operations_struct" structure in the LinuxKPI. While at it document when to use the "virtual_address" or the "address" field in the "vm_fault" structure. Submitted by: Johannes Lundberg <johalun0@gmail.com> MFC after: 1 week Sponsored by: Mellanox Technologies Sponsored by: Limelight Networks Modified: head/sys/compat/linuxkpi/common/include/linux/mm.h Modified: head/sys/compat/linuxkpi/common/include/linux/mm.h ============================================================================== --- head/sys/compat/linuxkpi/common/include/linux/mm.h Tue Jun 5 15:30:36 2018 (r334659) +++ head/sys/compat/linuxkpi/common/include/linux/mm.h Tue Jun 5 15:37:28 2018 (r334660) @@ -120,8 +120,8 @@ struct vm_fault { pgoff_t pgoff; union { /* user-space address */ - void *virtual_address; - unsigned long address; + void *virtual_address; /* < 4.11 */ + unsigned long address; /* >= 4.11 */ }; struct page *page; struct vm_area_struct *vma; @@ -131,6 +131,7 @@ struct vm_operations_struct { void (*open) (struct vm_area_struct *); void (*close) (struct vm_area_struct *); int (*fault) (struct vm_area_struct *, struct vm_fault *); + int (*access) (struct vm_area_struct *, unsigned long, void *, int, int); }; /*
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