The patch titled
Subject: arm64/hugetlb: fix hugetlb initialization
has been added to the -mm tree. Its filename is
hugetlbfs-remove-hugetlb_add_hstate-warning-for-existing-hstate-fix.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/hugetlbfs-remove-hugetlb_add_hstate-warning-for-existing-hstate-fix.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/hugetlbfs-remove-hugetlb_add_hstate-warning-for-existing-hstate-fix.patch
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------------------------------------------------------
From: Mike Kravetz <mike.kravetz@xxxxxxxxxx>
Subject: arm64/hugetlb: fix hugetlb initialization
When calling hugetlb_add_hstate() to initialize a new hugetlb size,
be sure to use correct huge pages size order.
Link: http://lkml.kernel.org/r/4c36c6ce-3774-78fa-abc4-b7346bf24348@xxxxxxxxxx
Signed-off-by: Mike Kravetz <mike.kravetz@xxxxxxxxxx>
Reported-by: Qian Cai <cai@xxxxxx>
Reported-by: Anders Roxell <anders.roxell@xxxxxxxxxx>
Cc: Mina Almasry <almasrymina@xxxxxxxxxx>
Cc: Albert Ou <aou@xxxxxxxxxxxxxxxxx>
Cc: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx>
Cc: Catalin Marinas <catalin.marinas@xxxxxxx>
Cc: Christian Borntraeger <borntraeger@xxxxxxxxxx>
Cc: Christophe Leroy <christophe.leroy@xxxxxx>
Cc: Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx>
Cc: David S. Miller <davem@xxxxxxxxxxxxx>
Cc: Heiko Carstens <heiko.carstens@xxxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxxxxx>
Cc: Jonathan Corbet <corbet@xxxxxxx>
Cc: Longpeng <longpeng2@xxxxxxxxxx>
Cc: Nitesh Narayan Lal <nitesh@xxxxxxxxxx>
Cc: Palmer Dabbelt <palmer@xxxxxxxxxxx>
Cc: Paul Mackerras <paulus@xxxxxxxxx>
Cc: Paul Walmsley <paul.walmsley@xxxxxxxxxx>
Cc: Peter Xu <peterx@xxxxxxxxxx>
Cc: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: Vasily Gorbik <gor@xxxxxxxxxxxxx>
Cc: Will Deacon <will@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
arch/arm64/mm/hugetlbpage.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
--- a/arch/arm64/mm/hugetlbpage.c~hugetlbfs-remove-hugetlb_add_hstate-warning-for-existing-hstate-fix
+++ a/arch/arm64/mm/hugetlbpage.c
@@ -453,11 +453,11 @@ void huge_ptep_clear_flush(struct vm_are
static int __init hugetlbpage_init(void)
{
#ifdef CONFIG_ARM64_4K_PAGES
- hugetlb_add_hstate(PUD_SHIFT - PAGE_SHIFT);
+ hugetlb_add_hstate(ilog2(PUD_SIZE) - PAGE_SHIFT);
#endif
- hugetlb_add_hstate(CONT_PMD_SHIFT - PAGE_SHIFT);
- hugetlb_add_hstate(PMD_SHIFT - PAGE_SHIFT);
- hugetlb_add_hstate(CONT_PTE_SHIFT - PAGE_SHIFT);
+ hugetlb_add_hstate(ilog2(CONT_PMD_SIZE) - PAGE_SHIFT);
+ hugetlb_add_hstate(ilog2(PMD_SIZE) - PAGE_SHIFT);
+ hugetlb_add_hstate(ilog2(CONT_PTE_SIZE) - PAGE_SHIFT);
return 0;
}
_
Patches currently in -mm which might be from mike.kravetz@xxxxxxxxxx are
hugetlbfs-add-arch_hugetlb_valid_size.patch
hugetlbfs-move-hugepagesz=-parsing-to-arch-independent-code.patch
hugetlbfs-remove-hugetlb_add_hstate-warning-for-existing-hstate.patch
hugetlbfs-remove-hugetlb_add_hstate-warning-for-existing-hstate-fix.patch
hugetlbfs-clean-up-command-line-processing.patch
