redonkable/alistair23-linux
redonkable/alistair23-linux
1
0
Fork 0
Code Releases Activity

RDMA/qib: Use GUP longterm for PSM page pining

Browse source 
Similar to the core change commit 5f1d43de54 ("IB/core: disable memory
registration of filesystem-dax vmas")

PSM should be prevented from using filesystem DAX pages.

Signed-off-by: Ira Weiny <ira.weiny@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
This commit is contained in:
Ira Weiny 2019-01-23 14:02:24 -05:00 committed by Jason Gunthorpe
parent 0e40dc2f70
commit ff0244bb59
1 changed files with 4 additions and 4 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

8
drivers/infiniband/hw/qib/qib_user_pages.c
View file

@ -67,10 +67,10 @@ static int __qib_get_user_pages(unsigned long start_page, size_t num_pages,
}
for (got = 0; got < num_pages; got += ret) {
ret = get_user_pages(start_page + got * PAGE_SIZE,
num_pages - got,
FOLL_WRITE | FOLL_FORCE,
p + got, NULL);
ret = get_user_pages_longterm(start_page + got * PAGE_SIZE,
num_pages - got,
FOLL_WRITE | FOLL_FORCE,
p + got, NULL);
if (ret < 0)
goto bail_release;
}