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Documentation/admin-guide: kernel-parameters: update CMA entries 

Add qualifying build option legend [CMA] to kernel boot options
that requirce CMA support to be enabled for them to be usable.

Also capitalize 'CMA' when it is used as an acronym.

Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Acked-by: Mike Kravetz <mike.kravetz@oracle.com>
Link: https://lore.kernel.org/r/20210125043202.22399-1-rdunlap@infradead.org
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This commit is contained in:
Randy Dunlap 2021-01-24 20:32:02 -08:00 committed by Jonathan Corbet
parent 5d2699d28c
commit bc47190d4f
1 changed files with 4 additions and 4 deletions
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8
Documentation/admin-guide/kernel-parameters.txt
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@ -600,7 +600,7 @@
kernel/dma/contiguous.c
cma_pernuma=nn[MG]
[ARM64,KNL]
[ARM64,KNL,CMA]
Sets the size of kernel per-numa memory area for
contiguous memory allocations. A value of 0 disables
per-numa CMA altogether. And If this option is not
@ -1524,12 +1524,12 @@
hpet_mmap= [X86, HPET_MMAP] Allow userspace to mmap HPET
registers. Default set by CONFIG_HPET_MMAP_DEFAULT.
hugetlb_cma= [HW] The size of a cma area used for allocation
hugetlb_cma= [HW,CMA] The size of a CMA area used for allocation
of gigantic hugepages.
Format: nn[KMGTPE]
Reserve a cma area of given size and allocate gigantic
hugepages using the cma allocator. If enabled, the
Reserve a CMA area of given size and allocate gigantic
hugepages using the CMA allocator. If enabled, the
boot-time allocation of gigantic hugepages is skipped.
hugepages= [HW] Number of HugeTLB pages to allocate at boot.