diff options
| author | Liam Ni <zhiguangni01@gmail.com> | 2023-06-03 10:31:16 +0800 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2023-06-09 16:25:56 -0700 |
| commit | 5e07472583840308949ce807b11274de15cb79a0 (patch) | |
| tree | bf9206849d770492e64d4214542f5fc61ae6a013 /mm/early_ioremap.c | |
| parent | 396faf88981917f975773d8589ce4f6e6c679e13 (diff) | |
mm/early_ioremap.c: improve the execution efficiency of early_ioremap_setup()
Reduce the number of invalid loops of the function early_ioremap_setup()
to improve the efficiency of function execution
Link: https://lkml.kernel.org/r/CACZJ9cU6t5sLoDwE6_XOg+UJLpZt4+qHfjYN2bA0s+3y9y6pQQ@mail.gmail.com
Signed-off-by: LiamNi <zhiguangni01@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm/early_ioremap.c')
| -rw-r--r-- | mm/early_ioremap.c | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/mm/early_ioremap.c b/mm/early_ioremap.c index 9bc12e526ed0..ce06b2884789 100644 --- a/mm/early_ioremap.c +++ b/mm/early_ioremap.c @@ -72,12 +72,10 @@ void __init early_ioremap_setup(void) { int i; - for (i = 0; i < FIX_BTMAPS_SLOTS; i++) - if (WARN_ON(prev_map[i])) - break; - - for (i = 0; i < FIX_BTMAPS_SLOTS; i++) + for (i = 0; i < FIX_BTMAPS_SLOTS; i++) { + WARN_ON_ONCE(prev_map[i]); slot_virt[i] = __fix_to_virt(FIX_BTMAP_BEGIN - NR_FIX_BTMAPS*i); + } } static int __init check_early_ioremap_leak(void) |