[PATCH v1 09/15] powerpc/mm: inline pte_alloc_one_kernel() and pte_alloc_one() on PPC32

Christophe Leroy
2019-04-03T20:07:02Z

pte_alloc_one_kernel() and pte_alloc_one() are simple calls to
pte_fragment_alloc(), so they are good candidates for inlining as
already done on PPC64.

Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
---
arch/powerpc/include/asm/book3s/32/pgalloc.h | 15 ++++++++++++---
arch/powerpc/include/asm/nohash/32/pgalloc.h | 15 ++++++++++++---
arch/powerpc/mm/pgtable_32.c | 10 ----------
3 files changed, 24 insertions(+), 16 deletions(-)

diff --git a/arch/powerpc/include/asm/book3s/32/pgalloc.h b/arch/powerpc/include/asm/book3s/32/pgalloc.h
index 645af86cd072..0ed856068bb8 100644
--- a/arch/powerpc/include/asm/book3s/32/pgalloc.h
+++ b/arch/powerpc/include/asm/book3s/32/pgalloc.h
@@ -59,10 +59,19 @@ static inline void pmd_populate(struct mm_struct *mm, pmd_t *pmdp,

#define pmd_pgtable(pmd) ((pgtable_t)pmd_page_vaddr(pmd))

-extern pte_t *pte_alloc_one_kernel(struct mm_struct *mm);
-extern pgtable_t pte_alloc_one(struct mm_struct *mm);
-void pte_frag_destroy(void *pte_frag);
pte_t *pte_fragment_alloc(struct mm_struct *mm, int kernel);
+
+static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm)
+{
+ return (pte_t *)pte_fragment_alloc(mm, 1);
+}
+
+static inline pgtable_t pte_alloc_one(struct mm_struct *mm)
+{
+ return (pgtable_t)pte_fragment_alloc(mm, 0);
+}
+
+void pte_frag_destroy(void *pte_frag);
void pte_fragment_free(unsigned long *table, int kernel);

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 ea265a578eb0..1d41508f0676 100644
--- a/arch/powerpc/include/asm/nohash/32/pgalloc.h
+++ b/arch/powerpc/include/asm/nohash/32/pgalloc.h
@@ -77,10 +77,19 @@ static inline void pmd_populate(struct mm_struct *mm, pmd_t *pmdp,
#define pmd_pgtable(pmd) ((pgtable_t)pmd_page_vaddr(pmd))
#endif

-extern pte_t *pte_alloc_one_kernel(struct mm_struct *mm);
-extern pgtable_t pte_alloc_one(struct mm_struct *mm);
-void pte_frag_destroy(void *pte_frag);
pte_t *pte_fragment_alloc(struct mm_struct *mm, int kernel);
+
+static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm)
+{
+ return (pte_t *)pte_fragment_alloc(mm, 1);
+}
+
+static inline pgtable_t pte_alloc_one(struct mm_struct *mm)
+{
+ return (pgtable_t)pte_fragment_alloc(mm, 0);
+}
+
+void pte_frag_destroy(void *pte_frag);
void pte_fragment_free(unsigned long *table, int kernel);

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 a1c3062f0665..d02fe3ce64db 100644
--- a/arch/powerpc/mm/pgtable_32.c
+++ b/arch/powerpc/mm/pgtable_32.c
@@ -43,16 +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)
-{
- return (pte_t *)pte_fragment_alloc(mm, 1);
-}
-
-pgtable_t pte_alloc_one(struct mm_struct *mm)
-{
- return (pgtable_t)pte_fragment_alloc(mm, 0);
-}
-
void __iomem *
ioremap(phys_addr_t addr, unsigned long size)
{
--
2.13.3