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GET /api/patches/2202533/?format=api
{ "id": 2202533, "url": "http://patchwork.ozlabs.org/api/patches/2202533/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linuxppc-dev/patch/20260227200848.114019-13-david@kernel.org/", "project": { "id": 2, "url": "http://patchwork.ozlabs.org/api/projects/2/?format=api", "name": "Linux PPC development", "link_name": "linuxppc-dev", "list_id": "linuxppc-dev.lists.ozlabs.org", "list_email": "linuxppc-dev@lists.ozlabs.org", "web_url": "https://github.com/linuxppc/wiki/wiki", "scm_url": "https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git", "webscm_url": "https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git/", "list_archive_url": "https://lore.kernel.org/linuxppc-dev/", "list_archive_url_format": "https://lore.kernel.org/linuxppc-dev/{}/", "commit_url_format": "https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git/commit/?id={}" }, "msgid": "<20260227200848.114019-13-david@kernel.org>", "list_archive_url": "https://lore.kernel.org/linuxppc-dev/20260227200848.114019-13-david@kernel.org/", "date": "2026-02-27T20:08:43", "name": "[v1,12/16] mm: rename zap_vma_pages() to zap_vma()", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "5ba9ba9614fca6bd218c46feccc61c39b777fd69", "submitter": { "id": 92023, "url": "http://patchwork.ozlabs.org/api/people/92023/?format=api", "name": "David Hildenbrand (Arm)", "email": "david@kernel.org" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/linuxppc-dev/patch/20260227200848.114019-13-david@kernel.org/mbox/", "series": [ { "id": 493807, "url": "http://patchwork.ozlabs.org/api/series/493807/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linuxppc-dev/list/?series=493807", "date": "2026-02-27T20:08:31", "name": "mm: cleanups around unmapping / zapping", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/493807/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2202533/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2202533/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "\n <linuxppc-dev+bounces-17420-incoming=patchwork.ozlabs.org@lists.ozlabs.org>", "X-Original-To": [ "incoming@patchwork.ozlabs.org", "linuxppc-dev@lists.ozlabs.org" ], "Delivered-To": "patchwork-incoming@legolas.ozlabs.org", "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256\n header.s=k20201202 header.b=XV3R41u2;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=lists.ozlabs.org\n (client-ip=2404:9400:21b9:f100::1; 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a=rsa-sha256; c=relaxed/simple; d=kernel.org;\n\ts=k20201202; t=1772223146;\n\tbh=aB5tiNSbiWIs8J38wzKTGn9gBoLw1Ed2QFc8m6G1lhE=;\n\th=From:To:Cc:Subject:Date:In-Reply-To:References:From;\n\tb=XV3R41u27yOs3AucAXItd/ZxAZjAbvL9zkvtgql+u+4ijDgzXZEbk77WEppDG6XbQ\n\t RaRDFQEIdi93XVV3MnYwhO+PQuYzL6HPudiNqhTkElOIxON9zpQ28ddXnRauD5K7xI\n\t pPAPZLRWc+u8ZveolZp8sk3xfxpltOLQDdxGrANzjZcI65k2mZV2C7NoEkTTWxEEvR\n\t CAFqu7YxseHBUNNfvGMccb+W5iBgk9khfRU0vAq0qlcZ/q5lDlnaLNcSa+FLgrhULj\n\t YjzvWS5u0pea0U3pcj1C2Qe1JsARvSTKUCz1+bSDPl3+jOtxbrGUap4h/9n2umCd7p\n\t tlC/aFeo6fWmw==", "From": "\"David Hildenbrand (Arm)\" <david@kernel.org>", "To": "linux-kernel@vger.kernel.org", "Cc": "\"linux-mm @ kvack . org\" <linux-mm@kvack.org>,\n \"David Hildenbrand (Arm)\" <david@kernel.org>,\n Andrew Morton <akpm@linux-foundation.org>,\n Lorenzo Stoakes <lorenzo.stoakes@oracle.com>,\n \"Liam R. Howlett\" <Liam.Howlett@oracle.com>,\n Vlastimil Babka <vbabka@kernel.org>, Mike Rapoport <rppt@kernel.org>,\n Suren Baghdasaryan <surenb@google.com>, Michal Hocko <mhocko@suse.com>,\n Jann Horn <jannh@google.com>, Pedro Falcato <pfalcato@suse.de>,\n David Rientjes <rientjes@google.com>, Shakeel Butt <shakeel.butt@linux.dev>,\n \"Matthew Wilcox (Oracle)\" <willy@infradead.org>,\n Alice Ryhl <aliceryhl@google.com>, Madhavan Srinivasan <maddy@linux.ibm.com>,\n Michael Ellerman <mpe@ellerman.id.au>,\n Christian Borntraeger <borntraeger@linux.ibm.com>,\n Janosch Frank <frankja@linux.ibm.com>,\n Claudio Imbrenda <imbrenda@linux.ibm.com>,\n Alexander Gordeev <agordeev@linux.ibm.com>,\n Gerald Schaefer <gerald.schaefer@linux.ibm.com>,\n Heiko Carstens <hca@linux.ibm.com>, Vasily Gorbik <gor@linux.ibm.com>,\n Jarkko Sakkinen <jarkko@kernel.org>, Thomas Gleixner <tglx@kernel.org>,\n Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,\n Greg Kroah-Hartman <gregkh@linuxfoundation.org>, =?utf-8?q?Arve_Hj=C3=B8nne?=\n\t=?utf-8?q?v=C3=A5g?= <arve@android.com>, Todd Kjos <tkjos@android.com>,\n Christian Brauner <brauner@kernel.org>, Carlos Llamas <cmllamas@google.com>,\n Ian Abbott <abbotti@mev.co.uk>,\n H Hartley Sweeten <hsweeten@visionengravers.com>,\n Jani Nikula <jani.nikula@linux.intel.com>,\n Joonas Lahtinen <joonas.lahtinen@linux.intel.com>,\n Rodrigo Vivi <rodrigo.vivi@intel.com>, Tvrtko Ursulin <tursulin@ursulin.net>,\n David Airlie <airlied@gmail.com>, Simona Vetter <simona@ffwll.ch>,\n Jason Gunthorpe <jgg@ziepe.ca>, Leon Romanovsky <leon@kernel.org>,\n Dimitri Sivanich <dimitri.sivanich@hpe.com>, Arnd Bergmann <arnd@arndb.de>,\n Alexei Starovoitov <ast@kernel.org>, Daniel Borkmann <daniel@iogearbox.net>,\n Andrii Nakryiko <andrii@kernel.org>, Peter Zijlstra <peterz@infradead.org>,\n Arnaldo Carvalho de Melo <acme@kernel.org>,\n Namhyung Kim <namhyung@kernel.org>, Andy Lutomirski <luto@kernel.org>,\n Vincenzo Frascino <vincenzo.frascino@arm.com>,\n Eric Dumazet <edumazet@google.com>, Neal Cardwell <ncardwell@google.com>,\n \"David S. Miller\" <davem@davemloft.net>, David Ahern <dsahern@kernel.org>,\n Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,\n Miguel Ojeda <ojeda@kernel.org>, linuxppc-dev@lists.ozlabs.org,\n kvm@vger.kernel.org, linux-s390@vger.kernel.org, linux-sgx@vger.kernel.org,\n intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org,\n linux-rdma@vger.kernel.org, bpf@vger.kernel.org,\n linux-perf-users@vger.kernel.org, linux-fsdevel@vger.kernel.org,\n netdev@vger.kernel.org, rust-for-linux@vger.kernel.org, x86@kernel.org", "Subject": "[PATCH v1 12/16] mm: rename zap_vma_pages() to zap_vma()", "Date": "Fri, 27 Feb 2026 21:08:43 +0100", "Message-ID": "<20260227200848.114019-13-david@kernel.org>", "X-Mailer": "git-send-email 2.43.0", "In-Reply-To": "<20260227200848.114019-1-david@kernel.org>", "References": "<20260227200848.114019-1-david@kernel.org>", "X-Mailing-List": "linuxppc-dev@lists.ozlabs.org", "List-Id": "<linuxppc-dev.lists.ozlabs.org>", "List-Help": "<mailto:linuxppc-dev+help@lists.ozlabs.org>", "List-Owner": "<mailto:linuxppc-dev+owner@lists.ozlabs.org>", "List-Post": "<mailto:linuxppc-dev@lists.ozlabs.org>", "List-Archive": "<https://lore.kernel.org/linuxppc-dev/>,\n <https://lists.ozlabs.org/pipermail/linuxppc-dev/>", "List-Subscribe": "<mailto:linuxppc-dev+subscribe@lists.ozlabs.org>,\n <mailto:linuxppc-dev+subscribe-digest@lists.ozlabs.org>,\n <mailto:linuxppc-dev+subscribe-nomail@lists.ozlabs.org>", "List-Unsubscribe": "<mailto:linuxppc-dev+unsubscribe@lists.ozlabs.org>", "Precedence": "list", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "X-Spam-Status": "No, score=-0.2 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED,\n\tDKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,SPF_HELO_NONE,SPF_PASS\n\tautolearn=disabled version=4.0.1 OzLabs 8", "X-Spam-Checker-Version": "SpamAssassin 4.0.1 (2024-03-25) on lists.ozlabs.org" }, "content": "Let's rename it to an even simpler name. While at it, add some\nsimplistic kernel doc.\n\nSigned-off-by: David Hildenbrand (Arm) <david@kernel.org>\n---\n arch/powerpc/platforms/book3s/vas-api.c | 2 +-\n arch/powerpc/platforms/pseries/vas.c | 2 +-\n include/linux/mm.h | 6 +++++-\n lib/vdso/datastore.c | 2 +-\n mm/page-writeback.c | 2 +-\n 5 files changed, 9 insertions(+), 5 deletions(-)", "diff": "diff --git a/arch/powerpc/platforms/book3s/vas-api.c b/arch/powerpc/platforms/book3s/vas-api.c\nindex ea4ffa63f043..e96d79db69fe 100644\n--- a/arch/powerpc/platforms/book3s/vas-api.c\n+++ b/arch/powerpc/platforms/book3s/vas-api.c\n@@ -414,7 +414,7 @@ static vm_fault_t vas_mmap_fault(struct vm_fault *vmf)\n \t/*\n \t * When the LPAR lost credits due to core removal or during\n \t * migration, invalidate the existing mapping for the current\n-\t * paste addresses and set windows in-active (zap_vma_pages in\n+\t * paste addresses and set windows in-active (zap_vma() in\n \t * reconfig_close_windows()).\n \t * New mapping will be done later after migration or new credits\n \t * available. So continue to receive faults if the user space\ndiff --git a/arch/powerpc/platforms/pseries/vas.c b/arch/powerpc/platforms/pseries/vas.c\nindex ceb0a8788c0a..fa05f04364fe 100644\n--- a/arch/powerpc/platforms/pseries/vas.c\n+++ b/arch/powerpc/platforms/pseries/vas.c\n@@ -807,7 +807,7 @@ static int reconfig_close_windows(struct vas_caps *vcap, int excess_creds,\n \t\t * is done before the original mmap() and after the ioctl.\n \t\t */\n \t\tif (vma)\n-\t\t\tzap_vma_pages(vma);\n+\t\t\tzap_vma(vma);\n \n \t\tmutex_unlock(&task_ref->mmap_mutex);\n \t\tmmap_write_unlock(task_ref->mm);\ndiff --git a/include/linux/mm.h b/include/linux/mm.h\nindex 4710f7c7495a..4bd1500b9630 100644\n--- a/include/linux/mm.h\n+++ b/include/linux/mm.h\n@@ -2837,7 +2837,11 @@ void zap_vma_ptes(struct vm_area_struct *vma, unsigned long address,\n \t\t unsigned long size);\n void zap_page_range_single(struct vm_area_struct *vma, unsigned long address,\n \t\t\t unsigned long size);\n-static inline void zap_vma_pages(struct vm_area_struct *vma)\n+/**\n+ * zap_vma - zap all page table entries in a vma\n+ * @vma: The vma to zap.\n+ */\n+static inline void zap_vma(struct vm_area_struct *vma)\n {\n \tzap_page_range_single(vma, vma->vm_start, vma->vm_end - vma->vm_start);\n }\ndiff --git a/lib/vdso/datastore.c b/lib/vdso/datastore.c\nindex a565c30c71a0..222c143aebf7 100644\n--- a/lib/vdso/datastore.c\n+++ b/lib/vdso/datastore.c\n@@ -121,7 +121,7 @@ int vdso_join_timens(struct task_struct *task, struct time_namespace *ns)\n \tmmap_read_lock(mm);\n \tfor_each_vma(vmi, vma) {\n \t\tif (vma_is_special_mapping(vma, &vdso_vvar_mapping))\n-\t\t\tzap_vma_pages(vma);\n+\t\t\tzap_vma(vma);\n \t}\n \tmmap_read_unlock(mm);\n \ndiff --git a/mm/page-writeback.c b/mm/page-writeback.c\nindex 601a5e048d12..29f7567e5a71 100644\n--- a/mm/page-writeback.c\n+++ b/mm/page-writeback.c\n@@ -2645,7 +2645,7 @@ void folio_account_cleaned(struct folio *folio, struct bdi_writeback *wb)\n * while this function is in progress, although it may have been truncated\n * before this function is called. Most callers have the folio locked.\n * A few have the folio blocked from truncation through other means (e.g.\n- * zap_vma_pages() has it mapped and is holding the page table lock).\n+ * zap_vma() has it mapped and is holding the page table lock).\n * When called from mark_buffer_dirty(), the filesystem should hold a\n * reference to the buffer_head that is being marked dirty, which causes\n * try_to_free_buffers() to fail.\n", "prefixes": [ "v1", "12/16" ] }