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| author | Hans Petter Selasky <hselasky@FreeBSD.org> | 2018-06-05 15:37:28 +0000 |
|---|---|---|
| committer | Hans Petter Selasky <hselasky@FreeBSD.org> | 2018-06-05 15:37:28 +0000 |
| commit | 747d9a816519f32b01ed9abc6fb6166f1ba21ba4 (patch) | |
| tree | 78fb2186a0d8aaaa3346dfce7f531a8f104cde97 /sys | |
| parent | 0d2dce0b7865c10f29c2bea2dcaf5d8c42d49708 (diff) | |
| download | src-747d9a816519f32b01ed9abc6fb6166f1ba21ba4.tar.gz src-747d9a816519f32b01ed9abc6fb6166f1ba21ba4.zip | |
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
Notes
Notes:
svn path=/head/; revision=334660
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/compat/linuxkpi/common/include/linux/mm.h | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/sys/compat/linuxkpi/common/include/linux/mm.h b/sys/compat/linuxkpi/common/include/linux/mm.h index ad9038224716..c127697fb2c6 100644 --- a/sys/compat/linuxkpi/common/include/linux/mm.h +++ b/sys/compat/linuxkpi/common/include/linux/mm.h @@ -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); }; /* |