On Thu, Apr 03, 2025 at 12:38:05PM +0200, Pankaj Raghav (Samsung) wrote: > diff --git a/Documentation/admin-guide/mm/transhuge.rst b/Documentation/admin-guide/mm/transhuge.rst > index dff8d5985f0f..01b7ce90d693 100644 > --- a/Documentation/admin-guide/mm/transhuge.rst > +++ b/Documentation/admin-guide/mm/transhuge.rst > @@ -12,8 +12,8 @@ using huge pages for the backing of virtual memory with huge pages > that supports the automatic promotion and demotion of page sizes and > without the shortcomings of hugetlbfs. > > -Currently THP only works for anonymous memory mappings and tmpfs/shmem. > -But in the future it can expand to other filesystems. > +Currently, THP only works for anonymous memory mappings, tmpfs/shmem and > +filesystems that support large folios. > > .. note:: > in the examples below we presume that the basic page size is 4K and > @@ -463,6 +463,10 @@ fields for each mapping. (Note that AnonHugePages only applies to traditional > PMD-sized THP for historical reasons and should have been called > AnonHugePmdMapped). > > +The number of PMD-sized transparent huge pages currently used by > +filesystem data (page cache) is available by reading the FileHugePages field > +in ``/proc/meminfo``. > + > 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 > > base-commit: f0a16f5363325cc8d9382471cdc7b654c53254c9 The wording looks good, thanks! Reviewed-by: Bagas Sanjaya <bagasdotme@xxxxxxxxx> -- An old man doll... just what I always wanted! - Clara
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