linux-kernel - [PATCH v2] Documentation/admin-guide: kernel-parameters: update CMA entries

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Date:   Sun, 24 Jan 2021 20:32:02 -0800
From:   Randy Dunlap <rdunlap@...radead.org>
To:     linux-kernel@...r.kernel.org
Cc:     Randy Dunlap <rdunlap@...radead.org>,
        Jonathan Corbet <corbet@....net>, linux-doc@...r.kernel.org,
        linux-mm@...ck.org, Andrew Morton <akpm@...ux-foundation.org>,
        Mike Kravetz <mike.kravetz@...cle.com>
Subject: [PATCH v2] 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@...radead.org>
Cc: Jonathan Corbet <corbet@....net>
Cc: linux-doc@...r.kernel.org
Cc: linux-mm@...ck.org
Cc: Andrew Morton <akpm@...ux-foundation.org>
Cc: Mike Kravetz <mike.kravetz@...cle.com>
---
v2: rebase & resend

 Documentation/admin-guide/kernel-parameters.txt |    8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

--- linux-next-20210122.orig/Documentation/admin-guide/kernel-parameters.txt
+++ linux-next-20210122/Documentation/admin-guide/kernel-parameters.txt
@@ -631,7 +631,7 @@
 			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
@@ -1556,12 +1556,12 @@
 	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.