On 17.12.24 09:55, Baolin Wang wrote:
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. Signed-off-by: Baolin Wang <baolin.wang@xxxxxxxxxxxxxxxxx> --- Documentation/admin-guide/mm/transhuge.rst | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/Documentation/admin-guide/mm/transhuge.rst b/Documentation/admin-guide/mm/transhuge.rst index 156a03af0a88..dff8d5985f0f 100644 --- a/Documentation/admin-guide/mm/transhuge.rst +++ b/Documentation/admin-guide/mm/transhuge.rst @@ -466,7 +466,7 @@ 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.
We should probably change the above to clarify that this is all about PMD sized things.
Acked-by: David Hildenbrand <david@xxxxxxxxxx> -- Cheers, David / dhildenb
