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| author | Baolin Wang <baolin.wang@linux.alibaba.com> | 2024-12-17 09:55:39 +0100 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2024-12-31 02:59:08 +0100 |
| commit | 472098f23323c39cc6269d7b7bf76cba62830a4c (patch) | |
| tree | 765cdc63d35d9ac8576619f1040f586c2e1229bc | |
| parent | mailmap: modify the entry for Mathieu Othacehe (diff) | |
| download | linux-472098f23323c39cc6269d7b7bf76cba62830a4c.tar.xz linux-472098f23323c39cc6269d7b7bf76cba62830a4c.zip | |
docs: mm: fix the incorrect 'FileHugeMapped' field
The '/proc/PID/smaps' does not have the 'FileHugeMapped' field to count
the file transparent huge pages, instead, the 'FilePmdMapped' field should
be used. Fix it.
Link: https://lkml.kernel.org/r/d520ce3aba2b03b088be30bece732426a939049a.1734425264.git.baolin.wang@linux.alibaba.com
Signed-off-by: Baolin Wang <baolin.wang@linux.alibaba.com>
Acked-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
| -rw-r--r-- | Documentation/admin-guide/mm/transhuge.rst | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/Documentation/admin-guide/mm/transhuge.rst b/Documentation/admin-guide/mm/transhuge.rst index 5034915f4e8e..8872203df088 100644 --- a/Documentation/admin-guide/mm/transhuge.rst +++ b/Documentation/admin-guide/mm/transhuge.rst @@ -436,7 +436,7 @@ AnonHugePmdMapped). The number of file transparent huge pages mapped to userspace is available by reading ShmemPmdMapped and ShmemHugePages fields in ``/proc/meminfo``. To identify what applications are mapping file transparent huge pages, it -is necessary to read ``/proc/PID/smaps`` and count the FileHugeMapped fields +is necessary to read ``/proc/PID/smaps`` and count the FilePmdMapped fields for each mapping. Note that reading the smaps file is expensive and reading it |