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Date: Thu, 28 Mar 2019 01:44:21 -0700 From: ira.weiny@...el.com To: Andrew Morton <akpm@...ux-foundation.org>, John Hubbard <jhubbard@...dia.com>, Michal Hocko <mhocko@...e.com>, "Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>, Peter Zijlstra <peterz@...radead.org>, Jason Gunthorpe <jgg@...pe.ca>, Benjamin Herrenschmidt <benh@...nel.crashing.org>, Paul Mackerras <paulus@...ba.org>, "David S. Miller" <davem@...emloft.net>, Martin Schwidefsky <schwidefsky@...ibm.com>, Heiko Carstens <heiko.carstens@...ibm.com>, Rich Felker <dalias@...c.org>, Yoshinori Sato <ysato@...rs.sourceforge.jp>, Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>, Ralf Baechle <ralf@...ux-mips.org>, James Hogan <jhogan@...nel.org> Cc: Ira Weiny <ira.weiny@...el.com>, Dan Williams <dan.j.williams@...el.com>, linux-mm@...ck.org, linux-kernel@...r.kernel.org, linux-mips@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org, linux-s390@...r.kernel.org, linux-sh@...r.kernel.org, sparclinux@...r.kernel.org, linux-rdma@...r.kernel.org, netdev@...r.kernel.org Subject: [PATCH V3 6/7] IB/qib: Use the new FOLL_LONGTERM flag to get_user_pages_fast() From: Ira Weiny <ira.weiny@...el.com> Use the new FOLL_LONGTERM to get_user_pages_fast() to protect against FS DAX pages being mapped. Reviewed-by: Dan Williams <dan.j.williams@...el.com> Signed-off-by: Ira Weiny <ira.weiny@...el.com> --- Changes from V2: added reviewed-by drivers/infiniband/hw/qib/qib_user_sdma.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/infiniband/hw/qib/qib_user_sdma.c b/drivers/infiniband/hw/qib/qib_user_sdma.c index 31c523b2a9f5..b53cc0240e02 100644 --- a/drivers/infiniband/hw/qib/qib_user_sdma.c +++ b/drivers/infiniband/hw/qib/qib_user_sdma.c @@ -673,7 +673,7 @@ static int qib_user_sdma_pin_pages(const struct qib_devdata *dd, else j = npages; - ret = get_user_pages_fast(addr, j, 0, pages); + ret = get_user_pages_fast(addr, j, FOLL_LONGTERM, pages); if (ret != j) { i = 0; j = ret; -- 2.20.1
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