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/Linux-v6.1/tools/testing/selftests/memfd/
Drun_hugetlbfs_test.sh26 nr_hugepgs=`cat /proc/sys/vm/nr_hugepages`
35 echo $(( $hpages_needed + $nr_hugepgs )) > /proc/sys/vm/nr_hugepages
50 echo $nr_hugepgs > /proc/sys/vm/nr_hugepages
67 echo $nr_hugepgs > /proc/sys/vm/nr_hugepages
/Linux-v6.1/tools/testing/selftests/vm/
Dcompaction_test.c89 char nr_hugepages[10] = {0}; in check_compaction() local
123 if (read(fd, nr_hugepages, sizeof(nr_hugepages)) <= 0) { in check_compaction()
130 compaction_index = mem_free/(atoi(nr_hugepages) * hugepage_size); in check_compaction()
134 (atoi(nr_hugepages))); in check_compaction()
141 (atoi(nr_hugepages))); in check_compaction()
Dcharge_reserved_hugetlb.sh66 echo 0 >/proc/sys/vm/nr_hugepages
273 local nr_hugepages="$6"
285 echo nr hugepages = "$nr_hugepages"
286 echo "$nr_hugepages" >/proc/sys/vm/nr_hugepages
321 local nr_hugepages="${11}"
338 echo nr hugepages = "$nr_hugepages"
339 echo "$nr_hugepages" >/proc/sys/vm/nr_hugepages
Drun_vmtests.sh33 nr_hugepgs=$(cat /proc/sys/vm/nr_hugepages)
39 if ! echo $((lackpgs + nr_hugepgs)) > /proc/sys/vm/nr_hugepages; then
137 echo "$nr_hugepgs" > /proc/sys/vm/nr_hugepages
Dhugetlb_reparenting_test.sh58 echo 0 >/proc/sys/vm/nr_hugepages
128 echo 100 >/proc/sys/vm/nr_hugepages
/Linux-v6.1/tools/testing/selftests/kvm/x86_64/
Dnx_huge_pages_test.sh15 HUGE_PAGES=$(cat /sys/kernel/mm/hugepages/hugepages-2048kB/nr_hugepages)
33 sudo_echo "$(( $HUGE_PAGES + 3 ))" /sys/kernel/mm/hugepages/hugepages-2048kB/nr_hugepages
57 sudo_echo "$HUGE_PAGES" /sys/kernel/mm/hugepages/hugepages-2048kB/nr_hugepages
/Linux-v6.1/Documentation/admin-guide/mm/
Dhugetlbpage.rst60 the pool above the value in ``/proc/sys/vm/nr_hugepages``. The
81 ``/proc/sys/vm/nr_hugepages`` indicates the current number of "persistent" huge
85 by increasing or decreasing the value of ``nr_hugepages``.
170 When multiple huge page sizes are supported, ``/proc/sys/vm/nr_hugepages``
175 echo 20 > /proc/sys/vm/nr_hugepages
182 task that modifies ``nr_hugepages``. The default for the allowed nodes--when the
207 huge pages can grow, if more huge pages than ``/proc/sys/vm/nr_hugepages`` are
214 When increasing the huge page pool size via ``nr_hugepages``, any existing
220 the default huge page size by setting the ``nr_hugepages`` sysctl to a
222 across all nodes in the memory policy of the task modifying ``nr_hugepages``.
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/Linux-v6.1/Documentation/ABI/testing/
Dsysfs-kernel-mm-hugepages11 - nr_hugepages
/Linux-v6.1/Documentation/admin-guide/sysctl/
Dvm.rst54 - nr_hugepages
557 nr_hugepages chapter
581 never explicitly allocating HugeTLB pages with 'nr_hugepages' but only set
595 pages, you can set "nr_hugepages" to 0 first and then disable this. Note that
596 writing 0 to nr_hugepages will make any "in use" HugeTLB pages become surplus
615 nr_hugepages + nr_overcommit_hugepages.
/Linux-v6.1/mm/
Dhugetlb.c3624 HSTATE_ATTR(nr_hugepages);