From: Alistair Popple <apopple@nvidia.com> To: linux-mm@kvack.org, cgroups@vger.kernel.org Cc: linux-kernel@vger.kernel.org, jgg@nvidia.com, jhubbard@nvidia.com, tjmercier@google.com, hannes@cmpxchg.org, surenb@google.com, mkoutny@suse.com, daniel@ffwll.ch, "Daniel P . Berrange" <berrange@redhat.com>, Alex Williamson <alex.williamson@redhat.com>, Alistair Popple <apopple@nvidia.com>, Christian Benvenuti <benve@cisco.com>, Nelson Escobar <neescoba@cisco.com>, Jason Gunthorpe <jgg@ziepe.ca>, Leon Romanovsky <leon@kernel.org>, linux-rdma@vger.kernel.org Subject: [PATCH 06/19] RDMA/usnic: convert to use vm_account Date: Mon, 6 Feb 2023 18:47:43 +1100 [thread overview] Message-ID: <f21d73f37dd795c558feb9e1b6efe62fd46509e2.1675669136.git-series.apopple@nvidia.com> (raw) In-Reply-To: <cover.c238416f0e82377b449846dbb2459ae9d7030c8e.1675669136.git-series.apopple@nvidia.com> Convert to using a vm_account structure to account pinned memory to both the mm and the pins cgroup. Signed-off-by: Alistair Popple <apopple@nvidia.com> Cc: Christian Benvenuti <benve@cisco.com> Cc: Nelson Escobar <neescoba@cisco.com> Cc: Jason Gunthorpe <jgg@ziepe.ca> Cc: Leon Romanovsky <leon@kernel.org> Cc: linux-rdma@vger.kernel.org Cc: linux-kernel@vger.kernel.org --- drivers/infiniband/hw/usnic/usnic_uiom.c | 14 ++++++-------- drivers/infiniband/hw/usnic/usnic_uiom.h | 2 ++ 2 files changed, 8 insertions(+), 8 deletions(-) diff --git a/drivers/infiniband/hw/usnic/usnic_uiom.c b/drivers/infiniband/hw/usnic/usnic_uiom.c index c301b3b..8952ee5 100644 --- a/drivers/infiniband/hw/usnic/usnic_uiom.c +++ b/drivers/infiniband/hw/usnic/usnic_uiom.c @@ -89,8 +89,6 @@ static int usnic_uiom_get_pages(unsigned long addr, size_t size, int writable, struct page **page_list; struct scatterlist *sg; struct usnic_uiom_chunk *chunk; - unsigned long locked; - unsigned long lock_limit; unsigned long cur_base; unsigned long npages; int ret; @@ -123,10 +121,9 @@ static int usnic_uiom_get_pages(unsigned long addr, size_t size, int writable, uiomr->owning_mm = mm = current->mm; mmap_read_lock(mm); - locked = atomic64_add_return(npages, ¤t->mm->pinned_vm); - lock_limit = rlimit(RLIMIT_MEMLOCK) >> PAGE_SHIFT; - - if ((locked > lock_limit) && !capable(CAP_IPC_LOCK)) { + vm_account_init_current(&uiomr->vm_account); + if (vm_account_pinned(&uiomr->vm_account, npages)) { + npages = 0; ret = -ENOMEM; goto out; } @@ -178,7 +175,8 @@ static int usnic_uiom_get_pages(unsigned long addr, size_t size, int writable, out: if (ret < 0) { usnic_uiom_put_pages(chunk_list, 0); - atomic64_sub(npages, ¤t->mm->pinned_vm); + vm_unaccount_pinned(&uiomr->vm_account, npages); + vm_account_release(&uiomr->vm_account); } else mmgrab(uiomr->owning_mm); @@ -430,7 +428,7 @@ void usnic_uiom_reg_release(struct usnic_uiom_reg *uiomr) { __usnic_uiom_reg_release(uiomr->pd, uiomr, 1); - atomic64_sub(usnic_uiom_num_pages(uiomr), &uiomr->owning_mm->pinned_vm); + vm_unaccount_pinned(&uiomr->vm_account, usnic_uiom_num_pages(uiomr)); __usnic_uiom_release_tail(uiomr); } diff --git a/drivers/infiniband/hw/usnic/usnic_uiom.h b/drivers/infiniband/hw/usnic/usnic_uiom.h index 5a9acf9..5238d06 100644 --- a/drivers/infiniband/hw/usnic/usnic_uiom.h +++ b/drivers/infiniband/hw/usnic/usnic_uiom.h @@ -36,6 +36,7 @@ #include <linux/list.h> #include <linux/scatterlist.h> +#include <linux/vm_account.h> #include "usnic_uiom_interval_tree.h" @@ -72,6 +73,7 @@ struct usnic_uiom_reg { struct list_head chunk_list; struct work_struct work; struct mm_struct *owning_mm; + struct vm_account vm_account; }; struct usnic_uiom_chunk { -- git-series 0.9.1
WARNING: multiple messages have this Message-ID (diff)
From: Alistair Popple <apopple-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org> To: linux-mm-Bw31MaZKKs3YtjvyW6yDsg@public.gmane.org, cgroups-u79uwXL29TY76Z2rM5mHXA@public.gmane.org Cc: linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, jgg-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org, jhubbard-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org, tjmercier-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org, hannes-druUgvl0LCNAfugRpC6u6w@public.gmane.org, surenb-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org, mkoutny-IBi9RG/b67k@public.gmane.org, daniel-/w4YWyX8dFk@public.gmane.org, "Daniel P . Berrange" <berrange-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>, Alex Williamson <alex.williamson-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>, Alistair Popple <apopple-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>, Christian Benvenuti <benve-FYB4Gu1CFyUAvxtiuMwx3w@public.gmane.org>, Nelson Escobar <neescoba-FYB4Gu1CFyUAvxtiuMwx3w@public.gmane.org>, Jason Gunthorpe <jgg-uk2M96/98Pc@public.gmane.org>, Leon Romanovsky <leon-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>, linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org Subject: [PATCH 06/19] RDMA/usnic: convert to use vm_account Date: Mon, 6 Feb 2023 18:47:43 +1100 [thread overview] Message-ID: <f21d73f37dd795c558feb9e1b6efe62fd46509e2.1675669136.git-series.apopple@nvidia.com> (raw) In-Reply-To: <cover.c238416f0e82377b449846dbb2459ae9d7030c8e.1675669136.git-series.apopple-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org> Convert to using a vm_account structure to account pinned memory to both the mm and the pins cgroup. Signed-off-by: Alistair Popple <apopple-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org> Cc: Christian Benvenuti <benve-FYB4Gu1CFyUAvxtiuMwx3w@public.gmane.org> Cc: Nelson Escobar <neescoba-FYB4Gu1CFyUAvxtiuMwx3w@public.gmane.org> Cc: Jason Gunthorpe <jgg-uk2M96/98Pc@public.gmane.org> Cc: Leon Romanovsky <leon-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org> Cc: linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org Cc: linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org --- drivers/infiniband/hw/usnic/usnic_uiom.c | 14 ++++++-------- drivers/infiniband/hw/usnic/usnic_uiom.h | 2 ++ 2 files changed, 8 insertions(+), 8 deletions(-) diff --git a/drivers/infiniband/hw/usnic/usnic_uiom.c b/drivers/infiniband/hw/usnic/usnic_uiom.c index c301b3b..8952ee5 100644 --- a/drivers/infiniband/hw/usnic/usnic_uiom.c +++ b/drivers/infiniband/hw/usnic/usnic_uiom.c @@ -89,8 +89,6 @@ static int usnic_uiom_get_pages(unsigned long addr, size_t size, int writable, struct page **page_list; struct scatterlist *sg; struct usnic_uiom_chunk *chunk; - unsigned long locked; - unsigned long lock_limit; unsigned long cur_base; unsigned long npages; int ret; @@ -123,10 +121,9 @@ static int usnic_uiom_get_pages(unsigned long addr, size_t size, int writable, uiomr->owning_mm = mm = current->mm; mmap_read_lock(mm); - locked = atomic64_add_return(npages, ¤t->mm->pinned_vm); - lock_limit = rlimit(RLIMIT_MEMLOCK) >> PAGE_SHIFT; - - if ((locked > lock_limit) && !capable(CAP_IPC_LOCK)) { + vm_account_init_current(&uiomr->vm_account); + if (vm_account_pinned(&uiomr->vm_account, npages)) { + npages = 0; ret = -ENOMEM; goto out; } @@ -178,7 +175,8 @@ static int usnic_uiom_get_pages(unsigned long addr, size_t size, int writable, out: if (ret < 0) { usnic_uiom_put_pages(chunk_list, 0); - atomic64_sub(npages, ¤t->mm->pinned_vm); + vm_unaccount_pinned(&uiomr->vm_account, npages); + vm_account_release(&uiomr->vm_account); } else mmgrab(uiomr->owning_mm); @@ -430,7 +428,7 @@ void usnic_uiom_reg_release(struct usnic_uiom_reg *uiomr) { __usnic_uiom_reg_release(uiomr->pd, uiomr, 1); - atomic64_sub(usnic_uiom_num_pages(uiomr), &uiomr->owning_mm->pinned_vm); + vm_unaccount_pinned(&uiomr->vm_account, usnic_uiom_num_pages(uiomr)); __usnic_uiom_release_tail(uiomr); } diff --git a/drivers/infiniband/hw/usnic/usnic_uiom.h b/drivers/infiniband/hw/usnic/usnic_uiom.h index 5a9acf9..5238d06 100644 --- a/drivers/infiniband/hw/usnic/usnic_uiom.h +++ b/drivers/infiniband/hw/usnic/usnic_uiom.h @@ -36,6 +36,7 @@ #include <linux/list.h> #include <linux/scatterlist.h> +#include <linux/vm_account.h> #include "usnic_uiom_interval_tree.h" @@ -72,6 +73,7 @@ struct usnic_uiom_reg { struct list_head chunk_list; struct work_struct work; struct mm_struct *owning_mm; + struct vm_account vm_account; }; struct usnic_uiom_chunk { -- git-series 0.9.1
next prev parent reply other threads:[~2023-02-06 7:49 UTC|newest] Thread overview: 128+ messages / expand[flat|nested] mbox.gz Atom feed top 2023-02-06 7:47 [PATCH 00/19] mm: Introduce a cgroup to limit the amount of locked and pinned memory Alistair Popple 2023-02-06 7:47 ` Alistair Popple 2023-02-06 7:47 ` [PATCH 01/19] mm: Introduce vm_account Alistair Popple 2023-02-06 7:47 ` Alistair Popple 2023-02-06 7:47 ` Alistair Popple 2023-02-06 7:47 ` [PATCH 02/19] drivers/vhost: Convert to use vm_account Alistair Popple 2023-02-06 7:47 ` Alistair Popple 2023-02-06 7:47 ` [PATCH 03/19] drivers/vdpa: Convert vdpa to use the new vm_structure Alistair Popple 2023-02-06 7:47 ` Alistair Popple 2023-02-06 7:47 ` [PATCH 04/19] infiniband/umem: Convert to use vm_account Alistair Popple 2023-02-06 7:47 ` Alistair Popple 2023-02-06 7:47 ` [PATCH 05/19] RMDA/siw: " Alistair Popple 2023-02-06 7:47 ` Alistair Popple 2023-02-12 17:32 ` Bernard Metzler 2023-02-06 7:47 ` Alistair Popple [this message] 2023-02-06 7:47 ` [PATCH 06/19] RDMA/usnic: convert " Alistair Popple 2023-02-06 7:47 ` [PATCH 07/19] vfio/type1: Charge pinned pages to pinned_vm instead of locked_vm Alistair Popple 2023-02-06 7:47 ` Alistair Popple 2023-02-06 7:47 ` [PATCH 08/19] vfio/spapr_tce: Convert accounting to pinned_vm Alistair Popple 2023-02-06 7:47 ` Alistair Popple 2023-02-06 7:47 ` [PATCH 09/19] io_uring: convert to use vm_account Alistair Popple 2023-02-06 15:29 ` Jens Axboe 2023-02-06 15:29 ` Jens Axboe 2023-02-07 1:03 ` Alistair Popple 2023-02-07 1:03 ` Alistair Popple 2023-02-07 14:28 ` Jens Axboe 2023-02-07 14:55 ` Jason Gunthorpe 2023-02-07 14:55 ` Jason Gunthorpe 2023-02-07 17:05 ` Jens Axboe 2023-02-07 17:05 ` Jens Axboe 2023-02-13 11:30 ` Alistair Popple 2023-02-13 11:30 ` Alistair Popple 2023-02-06 7:47 ` [PATCH 10/19] net: skb: Switch to using vm_account Alistair Popple 2023-02-06 7:47 ` [PATCH 11/19] xdp: convert to use vm_account Alistair Popple 2023-02-06 7:47 ` [PATCH 12/19] kvm/book3s_64_vio: Convert account_locked_vm() to vm_account_pinned() Alistair Popple 2023-02-06 7:47 ` Alistair Popple 2023-02-06 7:47 ` [PATCH 13/19] fpga: dfl: afu: convert to use vm_account Alistair Popple 2023-02-06 7:47 ` Alistair Popple 2023-02-06 7:47 ` [PATCH 14/19] mm: Introduce a cgroup for pinned memory Alistair Popple 2023-02-06 7:47 ` Alistair Popple 2023-02-06 21:01 ` Yosry Ahmed 2023-02-06 21:01 ` Yosry Ahmed 2023-02-06 21:14 ` Tejun Heo 2023-02-06 21:14 ` Tejun Heo 2023-02-06 22:32 ` Yosry Ahmed 2023-02-06 22:32 ` Yosry Ahmed 2023-02-06 22:36 ` Tejun Heo 2023-02-06 22:39 ` Yosry Ahmed 2023-02-06 22:39 ` Yosry Ahmed 2023-02-06 23:25 ` Tejun Heo 2023-02-06 23:25 ` Tejun Heo 2023-02-06 23:34 ` Yosry Ahmed 2023-02-06 23:34 ` Yosry Ahmed 2023-02-06 23:40 ` Jason Gunthorpe 2023-02-06 23:40 ` Jason Gunthorpe 2023-02-07 0:32 ` Tejun Heo 2023-02-07 0:32 ` Tejun Heo 2023-02-07 12:19 ` Jason Gunthorpe 2023-02-07 12:19 ` Jason Gunthorpe 2023-02-15 19:00 ` Michal Hocko 2023-02-15 19:00 ` Michal Hocko 2023-02-15 19:07 ` Jason Gunthorpe 2023-02-15 19:07 ` Jason Gunthorpe 2023-02-16 8:04 ` Michal Hocko 2023-02-16 8:04 ` Michal Hocko 2023-02-16 12:45 ` Jason Gunthorpe 2023-02-16 12:45 ` Jason Gunthorpe 2023-02-21 16:51 ` Tejun Heo 2023-02-21 16:51 ` Tejun Heo 2023-02-21 17:25 ` Jason Gunthorpe 2023-02-21 17:29 ` Tejun Heo 2023-02-21 17:29 ` Tejun Heo 2023-02-21 17:51 ` Jason Gunthorpe 2023-02-21 17:51 ` Jason Gunthorpe 2023-02-21 18:07 ` Tejun Heo 2023-02-21 18:07 ` Tejun Heo 2023-02-21 19:26 ` Jason Gunthorpe 2023-02-21 19:26 ` Jason Gunthorpe 2023-02-21 19:45 ` Tejun Heo 2023-02-21 19:45 ` Tejun Heo 2023-02-21 19:49 ` Tejun Heo 2023-02-21 19:49 ` Tejun Heo 2023-02-21 19:57 ` Jason Gunthorpe 2023-02-22 11:38 ` Alistair Popple 2023-02-22 11:38 ` Alistair Popple 2023-02-22 12:57 ` Jason Gunthorpe 2023-02-22 12:57 ` Jason Gunthorpe 2023-02-22 22:59 ` Alistair Popple 2023-02-22 22:59 ` Alistair Popple 2023-02-23 0:05 ` Christoph Hellwig 2023-02-23 0:35 ` Alistair Popple 2023-02-23 0:35 ` Alistair Popple 2023-02-23 1:53 ` Jason Gunthorpe 2023-02-23 1:53 ` Jason Gunthorpe 2023-02-23 9:12 ` Daniel P. Berrangé 2023-02-23 17:31 ` Jason Gunthorpe 2023-02-23 17:31 ` Jason Gunthorpe 2023-02-23 17:18 ` T.J. Mercier 2023-02-23 17:28 ` Jason Gunthorpe 2023-02-23 17:28 ` Jason Gunthorpe 2023-02-23 18:03 ` Yosry Ahmed 2023-02-23 18:10 ` Jason Gunthorpe 2023-02-23 18:10 ` Jason Gunthorpe 2023-02-23 18:14 ` Yosry Ahmed 2023-02-23 18:14 ` Yosry Ahmed 2023-02-23 18:15 ` Tejun Heo 2023-02-23 18:17 ` Jason Gunthorpe 2023-02-23 18:17 ` Jason Gunthorpe 2023-02-23 18:22 ` Tejun Heo 2023-02-23 18:22 ` Tejun Heo 2023-02-07 1:00 ` Waiman Long 2023-02-07 1:00 ` Waiman Long 2023-02-07 1:03 ` Tejun Heo 2023-02-07 1:50 ` Alistair Popple 2023-02-07 1:50 ` Alistair Popple 2023-02-06 7:47 ` [PATCH 15/19] mm/util: Extend vm_account to charge pages against the pin cgroup Alistair Popple 2023-02-06 7:47 ` Alistair Popple 2023-02-06 7:47 ` [PATCH 16/19] mm/util: Refactor account_locked_vm Alistair Popple 2023-02-06 7:47 ` Alistair Popple 2023-02-06 7:47 ` [PATCH 17/19] mm: Convert mmap and mlock to use account_locked_vm Alistair Popple 2023-02-06 7:47 ` Alistair Popple 2023-02-06 7:47 ` [PATCH 18/19] mm/mmap: Charge locked memory to pins cgroup Alistair Popple 2023-02-06 7:47 ` Alistair Popple 2023-02-06 21:12 ` Yosry Ahmed 2023-02-06 7:47 ` [PATCH 19/19] selftests/vm: Add pins-cgroup selftest for mlock/mmap Alistair Popple 2023-02-06 7:47 ` Alistair Popple 2023-02-16 11:01 ` [PATCH 00/19] mm: Introduce a cgroup to limit the amount of locked and pinned memory David Hildenbrand 2023-02-16 11:01 ` David Hildenbrand
Reply instructions: You may reply publicly to this message via plain-text email using any one of the following methods: * Save the following mbox file, import it into your mail client, and reply-to-all from there: mbox Avoid top-posting and favor interleaved quoting: https://en.wikipedia.org/wiki/Posting_style#Interleaved_style * Reply using the --to, --cc, and --in-reply-to switches of git-send-email(1): git send-email \ --in-reply-to=f21d73f37dd795c558feb9e1b6efe62fd46509e2.1675669136.git-series.apopple@nvidia.com \ --to=apopple@nvidia.com \ --cc=alex.williamson@redhat.com \ --cc=benve@cisco.com \ --cc=berrange@redhat.com \ --cc=cgroups@vger.kernel.org \ --cc=daniel@ffwll.ch \ --cc=hannes@cmpxchg.org \ --cc=jgg@nvidia.com \ --cc=jgg@ziepe.ca \ --cc=jhubbard@nvidia.com \ --cc=leon@kernel.org \ --cc=linux-kernel@vger.kernel.org \ --cc=linux-mm@kvack.org \ --cc=linux-rdma@vger.kernel.org \ --cc=mkoutny@suse.com \ --cc=neescoba@cisco.com \ --cc=surenb@google.com \ --cc=tjmercier@google.com \ /path/to/YOUR_REPLY https://kernel.org/pub/software/scm/git/docs/git-send-email.html * If your mail client supports setting the In-Reply-To header via mailto: links, try the mailto: linkBe sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes, see mirroring instructions on how to clone and mirror all data and code used by this external index.