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Diffstat (limited to 'Documentation/mm/hmm.rst')
| -rw-r--r-- | Documentation/mm/hmm.rst | 11 |
1 files changed, 1 insertions, 10 deletions
diff --git a/Documentation/mm/hmm.rst b/Documentation/mm/hmm.rst index fec21e6f2284..0595098a74d9 100644 --- a/Documentation/mm/hmm.rst +++ b/Documentation/mm/hmm.rst @@ -163,16 +163,7 @@ use:: It will trigger a page fault on missing or read-only entries if write access is requested (see below). Page faults use the generic mm page fault code path just -like a CPU page fault. - -Both functions copy CPU page table entries into their pfns array argument. Each -entry in that array corresponds to an address in the virtual range. HMM -provides a set of flags to help the driver identify special CPU page table -entries. - -Locking within the sync_cpu_device_pagetables() callback is the most important -aspect the driver must respect in order to keep things properly synchronized. -The usage pattern is:: +like a CPU page fault. The usage pattern is:: int driver_populate_range(...) { |