diff options
| author | SeongJae Park <sj@kernel.org> | 2025-03-12 09:47:50 -0700 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2025-03-17 22:07:04 -0700 |
| commit | be9258a6bf26d2272856214406721762a21aab1b (patch) | |
| tree | 01baf572e2c64fb399efb9613b10232bd4684f45 /mm | |
| parent | 0a6ffacb3b42233fe44e0faedfcc8e83f9ad99c6 (diff) | |
mm/madvise: remove len parameter of madvise_do_behavior()
Because madise_should_skip() logic is factored out, making
madvise_do_behavior() calculates 'len' on its own rather then receiving it
as a parameter makes code simpler. Remove the parameter.
Link: https://lkml.kernel.org/r/20250312164750.59215-5-sj@kernel.org
Signed-off-by: SeongJae Park <sj@kernel.org>
Reviewed-by: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
Reviewed-by: Shakeel Butt <shakeel.butt@linux.dev>
Cc: David Hildenbrand <david@redhat.com>
Cc: Liam R. Howlett <howlett@gmail.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/madvise.c | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/mm/madvise.c b/mm/madvise.c index ba006d05c7ea..b17f684322ad 100644 --- a/mm/madvise.c +++ b/mm/madvise.c @@ -1677,7 +1677,7 @@ static bool is_madvise_populate(int behavior) } static int madvise_do_behavior(struct mm_struct *mm, - unsigned long start, size_t len_in, size_t len, int behavior) + unsigned long start, size_t len_in, int behavior) { struct blk_plug plug; unsigned long end; @@ -1686,7 +1686,7 @@ static int madvise_do_behavior(struct mm_struct *mm, if (is_memory_failure(behavior)) return madvise_inject_error(behavior, start, start + len_in); start = untagged_addr_remote(mm, start); - end = start + len; + end = start + PAGE_ALIGN(len_in); blk_start_plug(&plug); if (is_madvise_populate(behavior)) @@ -1779,8 +1779,7 @@ int do_madvise(struct mm_struct *mm, unsigned long start, size_t len_in, int beh error = madvise_lock(mm, behavior); if (error) return error; - error = madvise_do_behavior(mm, start, len_in, PAGE_ALIGN(len_in), - behavior); + error = madvise_do_behavior(mm, start, len_in, behavior); madvise_unlock(mm, behavior); return error; @@ -1812,8 +1811,7 @@ static ssize_t vector_madvise(struct mm_struct *mm, struct iov_iter *iter, if (madvise_should_skip(start, len_in, behavior, &error)) ret = error; else - ret = madvise_do_behavior(mm, start, len_in, - PAGE_ALIGN(len_in), behavior); + ret = madvise_do_behavior(mm, start, len_in, behavior); /* * An madvise operation is attempting to restart the syscall, * but we cannot proceed as it would not be correct to repeat |