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Diffstat (limited to 'Documentation/admin-guide/mm/hugetlbpage.rst')
| -rw-r--r-- | Documentation/admin-guide/mm/hugetlbpage.rst | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/Documentation/admin-guide/mm/hugetlbpage.rst b/Documentation/admin-guide/mm/hugetlbpage.rst index f34a0d798d5b..67a941903fd2 100644 --- a/Documentation/admin-guide/mm/hugetlbpage.rst +++ b/Documentation/admin-guide/mm/hugetlbpage.rst @@ -145,7 +145,17 @@ hugepages It will allocate 1 2M hugepage on node0 and 2 2M hugepages on node1. If the node number is invalid, the parameter will be ignored. +hugepage_alloc_threads + Specify the number of threads that should be used to allocate hugepages + during boot. This parameter can be used to improve system bootup time + when allocating a large amount of huge pages. + The default value is 25% of the available hardware threads. + Example to use 8 allocation threads:: + + hugepage_alloc_threads=8 + + Note that this parameter only applies to non-gigantic huge pages. default_hugepagesz Specify the default huge page size. This parameter can only be specified once on the command line. default_hugepagesz can |