mm/hugetlb: add mmap() encodings for 32MB and 512MB page sizes
ARM64 architecture also supports 32MB and 512MB HugeTLB page sizes. This just adds mmap() system call argument encoding for them. Link: http://lkml.kernel.org/r/1537841300-6979-1-git-send-email-anshuman.khandual@arm.com Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com> Acked-by: Punit Agrawal <punit.agrawal@arm.com> Acked-by: Mike Kravetz <mike.kravetz@oracle.com> Cc: Michal Hocko <mhocko@kernel.org> Cc: Will Deacon <will.deacon@arm.com> Cc: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -26,7 +26,9 @@
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#define HUGETLB_FLAG_ENCODE_2MB (21 << HUGETLB_FLAG_ENCODE_SHIFT)
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#define HUGETLB_FLAG_ENCODE_8MB (23 << HUGETLB_FLAG_ENCODE_SHIFT)
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#define HUGETLB_FLAG_ENCODE_16MB (24 << HUGETLB_FLAG_ENCODE_SHIFT)
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#define HUGETLB_FLAG_ENCODE_32MB (25 << HUGETLB_FLAG_ENCODE_SHIFT)
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#define HUGETLB_FLAG_ENCODE_256MB (28 << HUGETLB_FLAG_ENCODE_SHIFT)
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#define HUGETLB_FLAG_ENCODE_512MB (29 << HUGETLB_FLAG_ENCODE_SHIFT)
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#define HUGETLB_FLAG_ENCODE_1GB (30 << HUGETLB_FLAG_ENCODE_SHIFT)
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#define HUGETLB_FLAG_ENCODE_2GB (31 << HUGETLB_FLAG_ENCODE_SHIFT)
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#define HUGETLB_FLAG_ENCODE_16GB (34 << HUGETLB_FLAG_ENCODE_SHIFT)
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@ -25,7 +25,9 @@
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#define MFD_HUGE_2MB HUGETLB_FLAG_ENCODE_2MB
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#define MFD_HUGE_8MB HUGETLB_FLAG_ENCODE_8MB
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#define MFD_HUGE_16MB HUGETLB_FLAG_ENCODE_16MB
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#define MFD_HUGE_32MB HUGETLB_FLAG_ENCODE_32MB
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#define MFD_HUGE_256MB HUGETLB_FLAG_ENCODE_256MB
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#define MFD_HUGE_512MB HUGETLB_FLAG_ENCODE_512MB
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#define MFD_HUGE_1GB HUGETLB_FLAG_ENCODE_1GB
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#define MFD_HUGE_2GB HUGETLB_FLAG_ENCODE_2GB
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#define MFD_HUGE_16GB HUGETLB_FLAG_ENCODE_16GB
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@ -28,7 +28,9 @@
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#define MAP_HUGE_2MB HUGETLB_FLAG_ENCODE_2MB
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#define MAP_HUGE_8MB HUGETLB_FLAG_ENCODE_8MB
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#define MAP_HUGE_16MB HUGETLB_FLAG_ENCODE_16MB
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#define MAP_HUGE_32MB HUGETLB_FLAG_ENCODE_32MB
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#define MAP_HUGE_256MB HUGETLB_FLAG_ENCODE_256MB
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#define MAP_HUGE_512MB HUGETLB_FLAG_ENCODE_512MB
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#define MAP_HUGE_1GB HUGETLB_FLAG_ENCODE_1GB
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#define MAP_HUGE_2GB HUGETLB_FLAG_ENCODE_2GB
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#define MAP_HUGE_16GB HUGETLB_FLAG_ENCODE_16GB
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@ -65,7 +65,9 @@ struct shmid_ds {
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#define SHM_HUGE_2MB HUGETLB_FLAG_ENCODE_2MB
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#define SHM_HUGE_8MB HUGETLB_FLAG_ENCODE_8MB
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#define SHM_HUGE_16MB HUGETLB_FLAG_ENCODE_16MB
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#define SHM_HUGE_32MB HUGETLB_FLAG_ENCODE_32MB
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#define SHM_HUGE_256MB HUGETLB_FLAG_ENCODE_256MB
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#define SHM_HUGE_512MB HUGETLB_FLAG_ENCODE_512MB
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#define SHM_HUGE_1GB HUGETLB_FLAG_ENCODE_1GB
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#define SHM_HUGE_2GB HUGETLB_FLAG_ENCODE_2GB
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#define SHM_HUGE_16GB HUGETLB_FLAG_ENCODE_16GB
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