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[34.158.62.59]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2cf10156d29sm16502565ad.30.2026.07.16.01.32.23 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 16 Jul 2026 01:32:26 -0700 (PDT) From: Aditya Prakash Srivastava To: Andrew Morton , David Hildenbrand , Lorenzo Stoakes Cc: Zi Yan , Baolin Wang , "Liam R . Howlett" , Nico Pache , Ryan Roberts , Dev Jain , Barry Song , Lance Yang , linux-mm@kvack.org, linux-kernel@vger.kernel.org, Aditya Prakash Srivastava Subject: [PATCH] mm/khugepaged: use page_cache_sync_ra() directly Date: Thu, 16 Jul 2026 08:32:11 +0000 Message-ID: <20260716083211.2688-1-aditya.ansh182@gmail.com> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit The static inline page_cache_sync_readahead() wrapper in pagemap.h is legacy and only wraps page_cache_sync_ra() after initializing a local readahead_control structure using DEFINE_READAHEAD. Modernize the khugepaged readahead call by using page_cache_sync_ra() directly. This avoids the legacy wrapper and aligns the khugepaged readahead implementation with other subsystems in the kernel. No functional change is introduced, as the logic and behavior remain identical. Signed-off-by: Aditya Prakash Srivastava --- mm/khugepaged.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/mm/khugepaged.c b/mm/khugepaged.c index 617bca76db49..2682b39401b2 100644 --- a/mm/khugepaged.c +++ b/mm/khugepaged.c @@ -2331,10 +2331,10 @@ static enum scan_result collapse_file(struct mm_struct *mm, unsigned long addr, } } else { /* !is_shmem */ if (!folio || xa_is_value(folio)) { + DEFINE_READAHEAD(ractl, file, &file->f_ra, mapping, index); + xas_unlock_irq(&xas); - page_cache_sync_readahead(mapping, &file->f_ra, - file, index, - end - index); + page_cache_sync_ra(&ractl, end - index); /* drain lru cache to help folio_isolate_lru() */ lru_add_drain(); folio = filemap_lock_folio(mapping, index); -- 2.47.3