[RFC 1/4] include/linux/swap.h: Remove unused leftovers
From: "Ritesh Harjani (IBM)" <ritesh.list@gmail.com>
Date: 2026-06-09 13:20:06
Also in:
linux-mm, lkml
Subsystem:
memory management - swap, the rest · Maintainers:
Andrew Morton, Chris Li, Kairui Song, Linus Torvalds
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) <ritesh.list@gmail.com> --- 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 <uapi/linux/mempolicy.h> #include <asm/page.h> -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