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| author | Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> | 2016-12-14 05:39:45 +0100 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2017-01-23 09:19:28 +0100 |
| commit | 9859f0c7e05b424a7a42032e639a8c44dd537328 (patch) | |
| tree | 42db69f1959e2c7ef4873ab43b26177ab0bfcfc5 /arch/powerpc | |
| parent | Linux 4.10-rc5 (diff) | |
| download | linux-9859f0c7e05b424a7a42032e639a8c44dd537328.tar.xz linux-9859f0c7e05b424a7a42032e639a8c44dd537328.zip | |
powerpc/mm: Remove the debug hugepd_ok check
We don't do this for other page table entries. So lets keep this simple
and always return false for hugepd check on a 64K page size config.
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc')
| -rw-r--r-- | arch/powerpc/include/asm/book3s/64/pgtable-64k.h | 5 | ||||
| -rw-r--r-- | arch/powerpc/mm/hugetlbpage-hash64.c | 21 |
2 files changed, 0 insertions, 26 deletions
diff --git a/arch/powerpc/include/asm/book3s/64/pgtable-64k.h b/arch/powerpc/include/asm/book3s/64/pgtable-64k.h index 0d2845b44763..198aff33c380 100644 --- a/arch/powerpc/include/asm/book3s/64/pgtable-64k.h +++ b/arch/powerpc/include/asm/book3s/64/pgtable-64k.h @@ -35,10 +35,6 @@ static inline int pgd_huge(pgd_t pgd) } #define pgd_huge pgd_huge -#ifdef CONFIG_DEBUG_VM -extern int hugepd_ok(hugepd_t hpd); -#define is_hugepd(hpd) (hugepd_ok(hpd)) -#else /* * With 64k page size, we have hugepage ptes in the pgd and pmd entries. We don't * need to setup hugepage directory for them. Our pte and page directory format @@ -49,7 +45,6 @@ static inline int hugepd_ok(hugepd_t hpd) return 0; } #define is_hugepd(pdep) 0 -#endif /* CONFIG_DEBUG_VM */ #endif /* CONFIG_HUGETLB_PAGE */ diff --git a/arch/powerpc/mm/hugetlbpage-hash64.c b/arch/powerpc/mm/hugetlbpage-hash64.c index 37b5f91e381b..a84bb44497f9 100644 --- a/arch/powerpc/mm/hugetlbpage-hash64.c +++ b/arch/powerpc/mm/hugetlbpage-hash64.c @@ -116,24 +116,3 @@ int __hash_page_huge(unsigned long ea, unsigned long access, unsigned long vsid, *ptep = __pte(new_pte & ~H_PAGE_BUSY); return 0; } - -#if defined(CONFIG_PPC_64K_PAGES) && defined(CONFIG_DEBUG_VM) -/* - * This enables us to catch the wrong page directory format - * Moved here so that we can use WARN() in the call. - */ -int hugepd_ok(hugepd_t hpd) -{ - bool is_hugepd; - unsigned long hpdval; - - hpdval = hpd_val(hpd); - - /* - * We should not find this format in page directory, warn otherwise. - */ - is_hugepd = (((hpdval & 0x3) == 0x0) && ((hpdval & HUGEPD_SHIFT_MASK) != 0)); - WARN(is_hugepd, "Found wrong page directory format\n"); - return 0; -} -#endif |