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authorAnshuman Khandual <anshuman.khandual@arm.com>2021-05-04 18:33:19 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2021-05-05 11:27:20 -0700
commit4bfb68a0858deae4c40ea585037a3261f0717b0a (patch)
tree094ff2c5b192e2f0e19498486a36ce0f806695fb /mm/Kconfig
parent6501fe5f162395ba6dfa6ac86be05f1c24c1a7e0 (diff)
downloadlinux-4bfb68a0858deae4c40ea585037a3261f0717b0a.tar.bz2
mm: generalize HUGETLB_PAGE_SIZE_VARIABLE
HUGETLB_PAGE_SIZE_VARIABLE need not be defined for each individual platform subscribing it. Instead just make it generic. Link: https://lkml.kernel.org/r/1614914928-22039-1-git-send-email-anshuman.khandual@arm.com Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com> Suggested-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Christoph Hellwig <hch@lst.de> Acked-by: Michael Ellerman <mpe@ellerman.id.au> [powerpc] Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Christophe Leroy <christophe.leroy@csgroup.eu> Cc: Mike Kravetz <mike.kravetz@oracle.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/Kconfig')
-rw-r--r--mm/Kconfig7
1 files changed, 7 insertions, 0 deletions
diff --git a/mm/Kconfig b/mm/Kconfig
index 3636da27c385..f4ceeaedb966 100644
--- a/mm/Kconfig
+++ b/mm/Kconfig
@@ -273,6 +273,13 @@ config ARCH_ENABLE_HUGEPAGE_MIGRATION
config ARCH_ENABLE_THP_MIGRATION
bool
+config HUGETLB_PAGE_SIZE_VARIABLE
+ def_bool n
+ help
+ Allows the pageblock_order value to be dynamic instead of just standard
+ HUGETLB_PAGE_ORDER when there are multiple HugeTLB page sizes available
+ on a platform.
+
config CONTIG_ALLOC
def_bool (MEMORY_ISOLATION && COMPACTION) || CMA