diff options
| author | Baoquan He <bhe@redhat.com> | 2025-02-05 17:27:12 +0800 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2025-03-16 22:06:05 -0700 |
| commit | 0eb7d2c337f9df3b6adbcbdce213595d94781e05 (patch) | |
| tree | fbfa7d797ef1226d6aea3b960ed28c977676f76e | |
| parent | cd57a3fb37f91ef6106bc970d2b5c5878d3b5627 (diff) | |
mm/swap: remove SWAP_FLAG_PRIO_SHIFT
It doesn't make sense to have a zero value of shift. Remove it to avoid
confusion.
Link: https://lkml.kernel.org/r/20250205092721.9395-4-bhe@redhat.com
Signed-off-by: Baoquan He <bhe@redhat.com>
Cc: Chris Li <chrisl@kernel.org>
Cc: Kairui Song <ryncsn@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
| -rw-r--r-- | include/linux/swap.h | 1 | ||||
| -rw-r--r-- | mm/swapfile.c | 3 |
2 files changed, 1 insertions, 3 deletions
diff --git a/include/linux/swap.h b/include/linux/swap.h index 9a48e79a0a52..bbd06cbd1f2b 100644 --- a/include/linux/swap.h +++ b/include/linux/swap.h @@ -24,7 +24,6 @@ struct pagevec; #define SWAP_FLAG_PREFER 0x8000 /* set if swap priority specified */ #define SWAP_FLAG_PRIO_MASK 0x7fff -#define SWAP_FLAG_PRIO_SHIFT 0 #define SWAP_FLAG_DISCARD 0x10000 /* enable discard for swap */ #define SWAP_FLAG_DISCARD_ONCE 0x20000 /* discard swap area at swapon-time */ #define SWAP_FLAG_DISCARD_PAGES 0x40000 /* discard page-clusters after use */ diff --git a/mm/swapfile.c b/mm/swapfile.c index df7c4e8b089c..3a17e40f4c95 100644 --- a/mm/swapfile.c +++ b/mm/swapfile.c @@ -3453,8 +3453,7 @@ SYSCALL_DEFINE2(swapon, const char __user *, specialfile, int, swap_flags) mutex_lock(&swapon_mutex); prio = -1; if (swap_flags & SWAP_FLAG_PREFER) - prio = - (swap_flags & SWAP_FLAG_PRIO_MASK) >> SWAP_FLAG_PRIO_SHIFT; + prio = swap_flags & SWAP_FLAG_PRIO_MASK; enable_swap_info(si, prio, swap_map, cluster_info, zeromap); pr_info("Adding %uk swap on %s. Priority:%d extents:%d across:%lluk %s%s%s%s\n", |