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AHgh+Rq7mB9dkYjVaWYMjfplC1nO3Tb9N93swhzrW16WhIFFdDyMam3TlOlREh7PvRVD6pVVQdyjroyT4dPyAKQ=@vger.kernel.org X-Gm-Message-State: AOJu0YxyuJ2LLIN8UQY+PkUeJV3f2iNzU7bHw0ma/VDsmEIvEu79ARZb pmU0nk/uuhD6Qm7tdF1/p5bna6hSsrX19kEdl/bJH83tFK3575nikQuzLZ6qWXSvJ2L9+13uuSI /U371M+OKgFumHQ== X-Received: from plxd5.prod.google.com ([2002:a17:902:ef05:b0:2ca:eea9:9845]) (user=jiaqiyan job=prod-delivery.src-stubby-dispatcher) by 2002:a17:902:d551:b0:2c9:d55d:2d1 with SMTP id d9443c01a7336-2cbb9ebc1admr72206995ad.33.1783274837760; Sun, 05 Jul 2026 11:07:17 -0700 (PDT) Date: Sun, 5 Jul 2026 18:07:10 +0000 In-Reply-To: <20260705180714.3708947-1-jiaqiyan@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20260705180714.3708947-1-jiaqiyan@google.com> X-Mailer: git-send-email 2.55.0.rc0.799.gd6f94ed593-goog Message-ID: <20260705180714.3708947-2-jiaqiyan@google.com> Subject: [PATCH v6 1/5] mm/page_alloc: introduce __free_prepared_contig_range() with fpi_t From: Jiaqi Yan To: linmiaohe@huawei.com, ljs@kernel.org, ziy@nvidia.com, vbabka@kernel.org Cc: osalvador@kernel.org, harry.yoo@oracle.com, willy@infradead.org, osalvador@suse.de, jackmanb@google.com, hannes@cmpxchg.org, nao.horiguchi@gmail.com, david@kernel.org, william.roche@oracle.com, tony.luck@intel.com, wangkefeng.wang@huawei.com, jane.chu@oracle.com, akpm@linux-foundation.org, muchun.song@linux.dev, liam@infradead.org, rientjes@google.com, duenwen@google.com, jthoughton@google.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org, vbabka@suse.cz, rppt@kernel.org, shuah@kernel.org, surenb@google.com, mhocko@suse.com, boudewijn@delta-utec.com, Jiaqi Yan Content-Type: text/plain; charset="UTF-8" A future commit introducing free_has_hwpoison() to be called within __free_pages_prepare() will need to pass specific fpi_t flags when freeing a contiguous range of pages. Currently, free_prepared_contig_range() hardcodes the FPI_PREPARED flag and does not accept any caller-provided flags. Rename the core logic to __free_prepared_contig_range() to accept an fpi_t argument. It bitwise ORs with the required FPI_PREPARED flag. This is a preparatory commit with no functional changes. Signed-off-by: Jiaqi Yan --- mm/page_alloc.c | 11 ++++++++--- 1 file changed, 8 insertions(+), 3 deletions(-) diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 762d9b6bc792..7d27aff48b15 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -6852,8 +6852,8 @@ void __init page_alloc_sysctl_init(void) register_sysctl_init("vm", page_alloc_sysctl_table); } -static void free_prepared_contig_range(struct page *page, - unsigned long nr_pages) +static void __free_prepared_contig_range(struct page *page, + unsigned long nr_pages, fpi_t fpi_flags) { unsigned long pfn = page_to_pfn(page); @@ -6870,7 +6870,7 @@ static void free_prepared_contig_range(struct page *page, * Free the chunk as a single block. Our caller has already * called free_pages_prepare() for each order-0 page. */ - __free_frozen_pages(page, order, FPI_PREPARED); + __free_frozen_pages(page, order, fpi_flags | FPI_PREPARED); pfn += 1UL << order; page += 1UL << order; @@ -6878,6 +6878,11 @@ static void free_prepared_contig_range(struct page *page, } } +static void free_prepared_contig_range(struct page *page, unsigned long nr_pages) +{ + __free_prepared_contig_range(page, nr_pages, FPI_NONE); +} + static void __free_contig_range_common(unsigned long pfn, unsigned long nr_pages, bool is_frozen) { -- 2.55.0.rc0.799.gd6f94ed593-goog