As in PPC64, inline pte_alloc_one() and pte_alloc_one_kernel() in PPC32. This will allow to switch nohash/32 to pte_fragment without impacting hash/32.
Signed-off-by: Christophe Leroy <christophe.le...@c-s.fr> --- arch/powerpc/include/asm/book3s/32/pgalloc.h | 22 ++++++++++++++++++++-- arch/powerpc/include/asm/nohash/32/pgalloc.h | 22 ++++++++++++++++++++-- arch/powerpc/mm/pgtable_32.c | 21 --------------------- 3 files changed, 40 insertions(+), 25 deletions(-) diff --git a/arch/powerpc/include/asm/book3s/32/pgalloc.h b/arch/powerpc/include/asm/book3s/32/pgalloc.h index 4ddc7df20381..a4cf0de10931 100644 --- a/arch/powerpc/include/asm/book3s/32/pgalloc.h +++ b/arch/powerpc/include/asm/book3s/32/pgalloc.h @@ -80,8 +80,26 @@ static inline void pmd_populate(struct mm_struct *mm, pmd_t *pmdp, #define pmd_pgtable(pmd) pmd_page(pmd) #endif -extern pte_t *pte_alloc_one_kernel(struct mm_struct *mm, unsigned long addr); -extern pgtable_t pte_alloc_one(struct mm_struct *mm, unsigned long addr); +static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm, unsigned long address) +{ + return (pte_t *)__get_free_page(GFP_KERNEL | __GFP_ZERO); +} + +static inline pgtable_t pte_alloc_one(struct mm_struct *mm, unsigned long address) +{ + struct page *ptepage; + + gfp_t flags = GFP_KERNEL | __GFP_ZERO | __GFP_ACCOUNT; + + ptepage = alloc_pages(flags, 0); + if (!ptepage) + return NULL; + if (!pgtable_page_ctor(ptepage)) { + __free_page(ptepage); + return NULL; + } + return ptepage; +} static inline void pte_free_kernel(struct mm_struct *mm, pte_t *pte) { diff --git a/arch/powerpc/include/asm/nohash/32/pgalloc.h b/arch/powerpc/include/asm/nohash/32/pgalloc.h index da8fdfc76418..78367855a4f3 100644 --- a/arch/powerpc/include/asm/nohash/32/pgalloc.h +++ b/arch/powerpc/include/asm/nohash/32/pgalloc.h @@ -81,8 +81,26 @@ static inline void pmd_populate(struct mm_struct *mm, pmd_t *pmdp, #define pmd_pgtable(pmd) pmd_page(pmd) #endif -extern pte_t *pte_alloc_one_kernel(struct mm_struct *mm, unsigned long addr); -extern pgtable_t pte_alloc_one(struct mm_struct *mm, unsigned long addr); +static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm, unsigned long address) +{ + return (pte_t *)__get_free_page(GFP_KERNEL | __GFP_ZERO); +} + +static inline pgtable_t pte_alloc_one(struct mm_struct *mm, unsigned long address) +{ + struct page *ptepage; + + gfp_t flags = GFP_KERNEL | __GFP_ZERO | __GFP_ACCOUNT; + + ptepage = alloc_pages(flags, 0); + if (!ptepage) + return NULL; + if (!pgtable_page_ctor(ptepage)) { + __free_page(ptepage); + return NULL; + } + return ptepage; +} static inline void pte_free_kernel(struct mm_struct *mm, pte_t *pte) { diff --git a/arch/powerpc/mm/pgtable_32.c b/arch/powerpc/mm/pgtable_32.c index ea4442dde0d5..745f2f30d4e9 100644 --- a/arch/powerpc/mm/pgtable_32.c +++ b/arch/powerpc/mm/pgtable_32.c @@ -43,27 +43,6 @@ EXPORT_SYMBOL(ioremap_bot); /* aka VMALLOC_END */ extern char etext[], _stext[], _sinittext[], _einittext[]; -pte_t *pte_alloc_one_kernel(struct mm_struct *mm, unsigned long address) -{ - return (pte_t *)__get_free_page(GFP_KERNEL | __GFP_ZERO); -} - -pgtable_t pte_alloc_one(struct mm_struct *mm, unsigned long address) -{ - struct page *ptepage; - - gfp_t flags = GFP_KERNEL | __GFP_ZERO | __GFP_ACCOUNT; - - ptepage = alloc_pages(flags, 0); - if (!ptepage) - return NULL; - if (!pgtable_page_ctor(ptepage)) { - __free_page(ptepage); - return NULL; - } - return ptepage; -} - void __iomem * ioremap(phys_addr_t addr, unsigned long size) { -- 2.13.3