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Tue, 09 Jun 2026 06:20:00 -0700 (PDT) From: "Ritesh Harjani (IBM)" To: linux-mm@kvack.org Cc: Madhavan Srinivasan , Michael Ellerman , Nicholas Piggin , Christophe Leroy , Andrew Morton , Chris Li , Kairui Song , Kemeng Shi , Nhat Pham , Baoquan He , Barry Song , Youngjun Park , David Hildenbrand , linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, Sayali Patil , "Ritesh Harjani (IBM)" Subject: [RFC 1/4] include/linux/swap.h: Remove unused leftovers Date: Tue, 9 Jun 2026 18:49:31 +0530 Message-ID: <68591daf0d679e5a0072d63751f187d14613e2b0.1781000840.git.ritesh.list@gmail.com> X-Mailer: git-send-email 2.50.1 In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit This removed unused leftovers most of them are forward structure declarations. Also removes SWAP_BATCH macro which isn't used any where in the code. Found these during manual code review. Signed-off-by: Ritesh Harjani (IBM) --- include/linux/swap.h | 7 ------- 1 file changed, 7 deletions(-) diff --git a/include/linux/swap.h b/include/linux/swap.h index 8f0f68e245ba..46c25523d7b8 100644 --- a/include/linux/swap.h +++ b/include/linux/swap.h @@ -16,10 +16,6 @@ #include #include -struct notifier_block; - -struct bio; - #define SWAP_FLAG_PREFER 0x8000 /* set if swap priority specified */ #define SWAP_FLAG_PRIO_MASK 0x7fff #define SWAP_FLAG_DISCARD 0x10000 /* enable discard for swap */ @@ -29,7 +25,6 @@ struct bio; #define SWAP_FLAGS_VALID (SWAP_FLAG_PRIO_MASK | SWAP_FLAG_PREFER | \ SWAP_FLAG_DISCARD | SWAP_FLAG_DISCARD_ONCE | \ SWAP_FLAG_DISCARD_PAGES) -#define SWAP_BATCH 64 static inline int current_is_kswapd(void) { @@ -175,7 +170,6 @@ static inline void mm_account_reclaimed_pages(unsigned long pages) struct address_space; struct sysinfo; -struct writeback_control; struct zone; /* @@ -442,7 +436,6 @@ extern sector_t swapdev_block(int, pgoff_t); extern int __swap_count(swp_entry_t entry); extern bool swap_entry_swapped(struct swap_info_struct *si, swp_entry_t entry); extern int swp_swapcount(swp_entry_t entry); -struct backing_dev_info; extern struct swap_info_struct *get_swap_device(swp_entry_t entry); sector_t swap_folio_sector(struct folio *folio); -- 2.39.5