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GET /api/patches/2217087/?format=api
HTTP 200 OK
Allow: GET, PUT, PATCH, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "id": 2217087,
    "url": "http://patchwork.ozlabs.org/api/patches/2217087/?format=api",
    "web_url": "http://patchwork.ozlabs.org/project/linux-pci/patch/20260327160132.2946114-27-yilun.xu@linux.intel.com/",
    "project": {
        "id": 28,
        "url": "http://patchwork.ozlabs.org/api/projects/28/?format=api",
        "name": "Linux PCI development",
        "link_name": "linux-pci",
        "list_id": "linux-pci.vger.kernel.org",
        "list_email": "linux-pci@vger.kernel.org",
        "web_url": null,
        "scm_url": null,
        "webscm_url": null,
        "list_archive_url": "",
        "list_archive_url_format": "",
        "commit_url_format": ""
    },
    "msgid": "<20260327160132.2946114-27-yilun.xu@linux.intel.com>",
    "list_archive_url": null,
    "date": "2026-03-27T16:01:27",
    "name": "[v2,26/31] mm: Add __free() support for __free_page()",
    "commit_ref": null,
    "pull_url": null,
    "state": "new",
    "archived": false,
    "hash": "909da9bd8689628a7e30afca85aec08c5655d98d",
    "submitter": {
        "id": 87470,
        "url": "http://patchwork.ozlabs.org/api/people/87470/?format=api",
        "name": "Xu Yilun",
        "email": "yilun.xu@linux.intel.com"
    },
    "delegate": null,
    "mbox": "http://patchwork.ozlabs.org/project/linux-pci/patch/20260327160132.2946114-27-yilun.xu@linux.intel.com/mbox/",
    "series": [
        {
            "id": 497793,
            "url": "http://patchwork.ozlabs.org/api/series/497793/?format=api",
            "web_url": "http://patchwork.ozlabs.org/project/linux-pci/list/?series=497793",
            "date": "2026-03-27T16:01:02",
            "name": "PCI/TSM: PCIe Link Encryption Establishment via TDX platform services",
            "version": 2,
            "mbox": "http://patchwork.ozlabs.org/series/497793/mbox/"
        }
    ],
    "comments": "http://patchwork.ozlabs.org/api/patches/2217087/comments/",
    "check": "pending",
    "checks": "http://patchwork.ozlabs.org/api/patches/2217087/checks/",
    "tags": {},
    "related": [],
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        "X-ExtLoop1": "1",
        "From": "Xu Yilun <yilun.xu@linux.intel.com>",
        "To": "linux-coco@lists.linux.dev,\n\tlinux-pci@vger.kernel.org,\n\tdan.j.williams@intel.com,\n\tx86@kernel.org",
        "Cc": "chao.gao@intel.com,\n\tdave.jiang@intel.com,\n\tbaolu.lu@linux.intel.com,\n\tyilun.xu@linux.intel.com,\n\tyilun.xu@intel.com,\n\tzhenzhong.duan@intel.com,\n\tkvm@vger.kernel.org,\n\trick.p.edgecombe@intel.com,\n\tdave.hansen@linux.intel.com,\n\tkas@kernel.org,\n\txiaoyao.li@intel.com,\n\tvishal.l.verma@intel.com,\n\tlinux-kernel@vger.kernel.org",
        "Subject": "[PATCH v2 26/31] mm: Add __free() support for __free_page()",
        "Date": "Sat, 28 Mar 2026 00:01:27 +0800",
        "Message-Id": "<20260327160132.2946114-27-yilun.xu@linux.intel.com>",
        "X-Mailer": "git-send-email 2.25.1",
        "In-Reply-To": "<20260327160132.2946114-1-yilun.xu@linux.intel.com>",
        "References": "<20260327160132.2946114-1-yilun.xu@linux.intel.com>",
        "Precedence": "bulk",
        "X-Mailing-List": "linux-pci@vger.kernel.org",
        "List-Id": "<linux-pci.vger.kernel.org>",
        "List-Subscribe": "<mailto:linux-pci+subscribe@vger.kernel.org>",
        "List-Unsubscribe": "<mailto:linux-pci+unsubscribe@vger.kernel.org>",
        "MIME-Version": "1.0",
        "Content-Transfer-Encoding": "8bit"
    },
    "content": "Allow for the declaration of struct page * variables that trigger\n__free_page() when they go out of scope.\n\nA example usage would be in the following patch:\n\n  static struct pci_tsm *tdx_tsm_link_pf0_probe(...)\n  {\n\t...\n\n\tstruct page *in_msg_page __free(__free_page) =\n\t\talloc_page(GFP_KERNEL | __GFP_ZERO);\n\tif (!in_msg_page)\n\t\treturn NULL;\n\n\tstruct page *out_msg_page __free(__free_page) =\n\t\talloc_page(GFP_KERNEL | __GFP_ZERO);\n\tif (!out_msg_page)\n\t\treturn NULL;\n\n\t...\n\n\ttlink->in_msg = no_free_ptr(in_msg_page);\n\ttlink->out_msg = no_free_ptr(out_msg_page);\n\n\t...\n  }\n\nSigned-off-by: Xu Yilun <yilun.xu@linux.intel.com>\nReviewed-by: Jonathan Cameron <jonathan.cameron@huawei.com>\n---\n include/linux/gfp.h | 1 +\n 1 file changed, 1 insertion(+)",
    "diff": "diff --git a/include/linux/gfp.h b/include/linux/gfp.h\nindex 51ef13ed756e..d37e5564234e 100644\n--- a/include/linux/gfp.h\n+++ b/include/linux/gfp.h\n@@ -391,6 +391,7 @@ extern void free_pages_nolock(struct page *page, unsigned int order);\n extern void free_pages(unsigned long addr, unsigned int order);\n \n #define __free_page(page) __free_pages((page), 0)\n+DEFINE_FREE(__free_page, struct page *, if (_T) __free_page(_T))\n #define free_page(addr) free_pages((addr), 0)\n \n void page_alloc_init_cpuhp(void);\n",
    "prefixes": [
        "v2",
        "26/31"
    ]
}