diff options
| author | Yafang Shao <laoar.shao@gmail.com> | 2024-11-13 23:07:11 +0800 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2024-11-14 22:43:48 -0800 |
| commit | 0740e54304dcd11cf2a8edb6764423eb2fed1c61 (patch) | |
| tree | 184040182170028c8c7c1a97240d6c982987d2ce | |
| parent | 669b0cb81e4e4e78cff77a5b367c7f70c0c6c05e (diff) | |
mm, doc: update read_ahead_kb for MADV_HUGEPAGE
MADV_HUGEPAGE is a new addition to readahead with behavior distinct from
normal pages. To prevent confusion, we should update the documentation
accordingly.
Link: https://lkml.kernel.org/r/20241113150711.1685-1-laoar.shao@gmail.com
Signed-off-by: Yafang Shao <laoar.shao@gmail.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: Matthew Wilcox <willy@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
| -rw-r--r-- | Documentation/ABI/stable/sysfs-block | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/Documentation/ABI/stable/sysfs-block b/Documentation/ABI/stable/sysfs-block index cea8856f798d..7a820a7d53aa 100644 --- a/Documentation/ABI/stable/sysfs-block +++ b/Documentation/ABI/stable/sysfs-block @@ -594,6 +594,9 @@ Description: [RW] Maximum number of kilobytes to read-ahead for filesystems on this block device. + For MADV_HUGEPAGE, the readahead size may exceed this setting + since its granularity is based on the hugepage size. + What: /sys/block/<disk>/queue/rotational Date: January 2009 |