55 lines
2.0 KiB
Plaintext
55 lines
2.0 KiB
Plaintext
#
|
|
# The number of 2M hugepages to reserve on system boot
|
|
#
|
|
# Default is 0
|
|
# To e.g. let it reserve 64x 2M Hugepages set:
|
|
# NR_2M_PAGES=64
|
|
|
|
#
|
|
# The number of 1G hugepages to reserve on system boot
|
|
#
|
|
# Default is 0
|
|
# To e.g. let it reserve 2x 1G Hugepages set:
|
|
# NR_1G_PAGES=2
|
|
|
|
#
|
|
# Dropping slab and pagecache can help to successfully allocate hugepages,
|
|
# especially later in the lifecycle of a system.
|
|
# This comes at the cost of loosing all slab and pagecache on (re)start
|
|
# of the dpdk service - therefore the default is off.
|
|
#
|
|
# Default is 0
|
|
# Set to 1 to enable it
|
|
#DROPCACHE_BEFORE_HP_ALLOC=0
|
|
|
|
# The DPDK library will use the first mounted hugetlbfs.
|
|
# The init scripts try to ensure there is at least one default hugetlbfs
|
|
# mountpoint on start.
|
|
# If you have multiple hugetlbfs mountpoints for a complex (e.g. specific numa
|
|
# policies) setup it should be controlled by the admin instead of this init
|
|
# script. In that case specific mountpoints can be provided as parameters to
|
|
# the DPDK library.
|
|
|
|
# Hardware may support other granularities of hugepages (like 4M). But the
|
|
# larger the hugepages the earlier those should be allocated.
|
|
# Note: the dpdk init scripts will report warnings, but not fail if they could
|
|
# not allocate the requested amount of hugepages.
|
|
# The more or the larger the hugepages to be allocated are, the more it is
|
|
# recommended to do the reservation as kernel commandline arguments.
|
|
# To do so edit /etc/default/grub: GRUB_CMDLINE_LINUX_DEFAULT
|
|
# and add [hugepagesz=xx] hugepages=yy ...
|
|
#
|
|
# Kernel commandline config:
|
|
# hugepagesz sets the size for the next hugepages reservation (default 2M)
|
|
# hugepages reserves the given number of hugepages of the size set before
|
|
#
|
|
# After modifying /etc/default/grub, the command "update-grub" has to be
|
|
# run in order to re-generate the grub config files. The new values will
|
|
# be used after next reboot.
|
|
#
|
|
# example:
|
|
# GRUB_CMDLINE_LINUX_DEFAULT="... hugepages=16 hugepagesz=1G hugepages=2"
|
|
#
|
|
# If the system supports it, this will reserve 16x 2M pages and 2x 1G pages.
|
|
#
|