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>

diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
index 9e3cdb271d06cfc198e80824ecfd83b305ae326c..50d9b9bfcd6e22fc60bc27d1e3ddcd92b9946ca1 100644 (file)
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -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.