From: Mike Rapoport <rppt@kernel.org>
To: Leon Romanovsky <leon@kernel.org>
Cc: Jason Gunthorpe <jgg@ziepe.ca>,
Dennis Dalessandro <dennis.dalessandro@cornelisnetworks.com>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
linux-rdma@vger.kernel.org
Subject: Re: [PATCH v2 0/5] RDMA, IB: replace __get_free_pages() with kmalloc()
Date: Wed, 15 Jul 2026 09:32:36 +0300 [thread overview]
Message-ID: <alcphPwP175Xzqli@kernel.org> (raw)
In-Reply-To: <20260714122818.GE19233@unreal>
On Tue, Jul 14, 2026 at 03:28:18PM +0300, Leon Romanovsky wrote:
> On Tue, Jul 14, 2026 at 03:24:56PM +0300, Leon Romanovsky wrote:
> > On Mon, Jul 13, 2026 at 10:17:21AM +0300, Mike Rapoport (Microsoft) wrote:
> > > This is a (small) part of larger work of replacing page allocator calls
> > > with kmalloc.
> >
> > Will you also change get_zeroed_page() in RDMA, or should I
> > prepare a patch?
A patch would be great!
I do plan to audit all __get_free_pages()/get_zeroed_page() etc call sites,
but obviously it will take some time.
For now I only sent patches where the replacement was obvious and didn't
require me to dig deep and I surely could miss some.
> ➜ kernel git:(wip/leon-for-next) git grep get_zeroed_page drivers/infiniband/
> drivers/infiniband/hw/bnxt_re/ib_verbs.c: srq->uctx_srq_page = (void *)get_zeroed_page(GFP_KERNEL);
> drivers/infiniband/hw/bnxt_re/ib_verbs.c: cq->uctx_cq_page = (void *)get_zeroed_page(GFP_KERNEL);
> drivers/infiniband/hw/bnxt_re/ib_verbs.c: uctx->shpg = (void *)get_zeroed_page(GFP_KERNEL);
> drivers/infiniband/hw/mlx4/mr.c: mr->pages = (__be64 *)get_zeroed_page(GFP_KERNEL);
> drivers/infiniband/hw/qedr/verbs.c: q->db_rec_data = (void *)get_zeroed_page(GFP_USER);
>
> Thanks
--
Sincerely yours,
Mike.
next prev parent reply other threads:[~2026-07-15 6:32 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-07-13 7:17 [PATCH v2 0/5] RDMA, IB: replace __get_free_pages() with kmalloc() Mike Rapoport (Microsoft)
2026-07-13 7:17 ` [PATCH v2 1/5] RDMA/umem: ib_umem_get(): use kmalloc() to allocate page array Mike Rapoport (Microsoft)
2026-07-13 7:17 ` [PATCH v2 2/5] RDMA/mlx5: replace __get_free_page() with kmalloc() Mike Rapoport (Microsoft)
2026-07-13 7:17 ` [PATCH v2 3/5] IB/mthca: mthca_reg_user_mr(): use kmalloc() to allocate addresses array Mike Rapoport (Microsoft)
2026-07-13 7:17 ` [PATCH v2 4/5] IB/mthca: allocate mthca_array memory with kzalloc() Mike Rapoport (Microsoft)
2026-07-13 7:17 ` [PATCH v2 5/5] IB/rdmavt: use kzalloc() to allocate QPN-map pages Mike Rapoport (Microsoft)
2026-07-14 12:24 ` [PATCH v2 0/5] RDMA, IB: replace __get_free_pages() with kmalloc() Leon Romanovsky
2026-07-14 12:28 ` Leon Romanovsky
2026-07-15 6:32 ` Mike Rapoport [this message]
2026-07-15 9:08 ` Leon Romanovsky
2026-07-14 12:26 ` Leon Romanovsky
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