kevin/linux
1
Fork 0
Code

mm, doc: update read_ahead_kb for MADV_HUGEPAGE

Browse Source 
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>
This commit is contained in:
Yafang Shao 2024-11-13 23:07:11 +08:00 committed by Andrew Morton
parent 669b0cb81e
commit 0740e54304
1 changed files with 3 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
Documentation/ABI/stable/sysfs-block
View File

@ -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