On 11/16/22 11:26, David Hildenbrand wrote: > For now, FAULT_FLAG_UNSHARE only applies to anonymous pages, which > implies a COW mapping. Let's hide FAULT_FLAG_UNSHARE early if we're not > dealing with a COW mapping, such that we treat it like a read fault as > documented and don't have to worry about the flag throughout all fault > handlers. > > While at it, centralize the check for mutual exclusion of > FAULT_FLAG_UNSHARE and FAULT_FLAG_WRITE and just drop the check that > either flag is set in the WP handler. > > Signed-off-by: David Hildenbrand <david@xxxxxxxxxx> > --- > mm/huge_memory.c | 3 --- > mm/hugetlb.c | 5 ----- > mm/memory.c | 23 ++++++++++++++++++++--- > 3 files changed, 20 insertions(+), 11 deletions(-) Reviewed-by: Vlastimil Babka <vbabka@xxxxxxx>
