diff options
| author | James Hogan <james.hogan@imgtec.com> | 2017-02-02 02:21:35 +0100 |
|---|---|---|
| committer | James Hogan <james.hogan@imgtec.com> | 2017-02-02 16:06:26 +0100 |
| commit | 814f91bf3ea0962e4f802324766bf301ef6f5431 (patch) | |
| tree | b2bfe4ee5f1d342a674cbe4abb77ee12deddae63 /arch/mips/include/asm/pgalloc.h | |
| parent | Linux 4.10-rc2 (diff) | |
| download | linux-814f91bf3ea0962e4f802324766bf301ef6f5431.tar.xz linux-814f91bf3ea0962e4f802324766bf301ef6f5431.zip | |
MIPS: Move pgd_alloc() out of header
pgd_alloc() references init_mm which is not exported to modules. In
order for KVM to be able to use pgd_alloc() to allocate GVA page tables,
move pgd_alloc() into a new pgtable.c file and export it to modules.
Signed-off-by: James Hogan <james.hogan@imgtec.com>
Acked-by: Ralf Baechle <ralf@linux-mips.org>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: "Radim Krčmář" <rkrcmar@redhat.com>
Cc: linux-mips@linux-mips.org
Cc: kvm@vger.kernel.org
Diffstat (limited to 'arch/mips/include/asm/pgalloc.h')
| -rw-r--r-- | arch/mips/include/asm/pgalloc.h | 16 |
1 files changed, 1 insertions, 15 deletions
diff --git a/arch/mips/include/asm/pgalloc.h b/arch/mips/include/asm/pgalloc.h index a03e86969f78..a8705f6c8180 100644 --- a/arch/mips/include/asm/pgalloc.h +++ b/arch/mips/include/asm/pgalloc.h @@ -43,21 +43,7 @@ static inline void pud_populate(struct mm_struct *mm, pud_t *pud, pmd_t *pmd) * Initialize a new pgd / pmd table with invalid pointers. */ extern void pgd_init(unsigned long page); - -static inline pgd_t *pgd_alloc(struct mm_struct *mm) -{ - pgd_t *ret, *init; - - ret = (pgd_t *) __get_free_pages(GFP_KERNEL, PGD_ORDER); - if (ret) { - init = pgd_offset(&init_mm, 0UL); - pgd_init((unsigned long)ret); - memcpy(ret + USER_PTRS_PER_PGD, init + USER_PTRS_PER_PGD, - (PTRS_PER_PGD - USER_PTRS_PER_PGD) * sizeof(pgd_t)); - } - - return ret; -} +extern pgd_t *pgd_alloc(struct mm_struct *mm); static inline void pgd_free(struct mm_struct *mm, pgd_t *pgd) { |