1 # Copyright (c) 2017 Intel Corporation
3 # Licensed under the Apache License, Version 2.0 (the "License");
4 # you may not use this file except in compliance with the License.
5 # You may obtain a copy of the License at
7 # http://www.apache.org/licenses/LICENSE-2.0
9 # Unless required by applicable law or agreed to in writing, software
10 # distributed under the License is distributed on an "AS IS" BASIS,
11 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 # See the License for the specific language governing permissions and
13 # limitations under the License.
15 - name: find boot grub.cfg
23 - name: check if hugepages are already enabled
24 command: "grep -o 'default_hugepagesz=' {{ item.path }}"
25 register: hugepage_enabled
27 with_items: "{{ grub_files.files }}"
29 - name: add hugepages to grub manually because we can't run update-grub in chroot
31 dest: "{{ item.path }}"
32 regexp: '(linux\s+/boot/vmlinuz.*$)'
33 replace: '\1 default_hugepagesz={{ huge_pagesize_short[huge_pagesize_mb] }} hugepagesz={{ huge_pagesize_short[huge_pagesize_mb] }} hugepages={{ num_hugepages }}'
34 with_items: "{{ grub_files.files }}"
35 # we suppose consistent /boot/grub/grub.cfg files
36 when: hugepage_enabled['results'][0].stdout == ""