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include/linux/swap.h: remove unused leftovers

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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.

Link: https://lore.kernel.org/68591daf0d679e5a0072d63751f187d14613e2b0.1781146877.git.ritesh.list@gmail.com
Signed-off-by: Ritesh Harjani (IBM) <ritesh.list@gmail.com>
Reviewed-by: Barry Song <baohua@kernel.org>
Acked-by: Chris Li <chrisl@kernel.org>
Acked-by: David Hildenbrand (Arm) <david@kernel.org>
Cc: Baoquan He <baoquan.he@linux.dev>
Cc: Kairui Song <kasong@tencent.com>
Cc: Kemeng Shi <shikemeng@huaweicloud.com>
Cc: Nhat Pham <nphamcs@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Ritesh Harjani (IBM)
2026-06-11 08:39:32 +05:30
committed by Andrew Morton
parent 5a00cae64d
commit 567c26a132
1 changed files with 0 additions and 7 deletions
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7
include/linux/swap.h
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@@ -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);