Adding upstream version 6.1.76.upstream/6.1.76

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 77 insertions, 0 deletions

diff --git a/arch/sparc/include/asm/pgalloc_32.h b/arch/sparc/include/asm/pgalloc_32.h
new file mode 100644
index 000000000..4f73e87b2
--- /dev/null
+++ b/arch/sparc/include/asm/pgalloc_32.h
@@ -0,0 +1,77 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _SPARC_PGALLOC_H
+#define _SPARC_PGALLOC_H
+
+#include <linux/kernel.h>
+#include <linux/sched.h>
+#include <linux/pgtable.h>
+
+#include <asm/pgtsrmmu.h>
+#include <asm/vaddrs.h>
+#include <asm/page.h>
+
+struct page;
+
+void *srmmu_get_nocache(int size, int align);
+void srmmu_free_nocache(void *addr, int size);
+
+extern struct resource sparc_iomap;
+
+pgd_t *get_pgd_fast(void);
+static inline void free_pgd_fast(pgd_t *pgd)
+{
+	srmmu_free_nocache(pgd, SRMMU_PGD_TABLE_SIZE);
+}
+
+#define pgd_free(mm, pgd)	free_pgd_fast(pgd)
+#define pgd_alloc(mm)	get_pgd_fast()
+
+static inline void pud_set(pud_t * pudp, pmd_t * pmdp)
+{
+	unsigned long pa = __nocache_pa(pmdp);
+
+	set_pte((pte_t *)pudp, __pte((SRMMU_ET_PTD | (pa >> 4))));
+}
+
+#define pud_populate(MM, PGD, PMD)      pud_set(PGD, PMD)
+
+static inline pmd_t *pmd_alloc_one(struct mm_struct *mm,
+				   unsigned long address)
+{
+	return srmmu_get_nocache(SRMMU_PMD_TABLE_SIZE,
+				 SRMMU_PMD_TABLE_SIZE);
+}
+
+static inline void free_pmd_fast(pmd_t * pmd)
+{
+	srmmu_free_nocache(pmd, SRMMU_PMD_TABLE_SIZE);
+}
+
+#define pmd_free(mm, pmd)		free_pmd_fast(pmd)
+#define __pmd_free_tlb(tlb, pmd, addr)	pmd_free((tlb)->mm, pmd)
+
+#define pmd_populate(mm, pmd, pte)	pmd_set(pmd, pte)
+
+void pmd_set(pmd_t *pmdp, pte_t *ptep);
+#define pmd_populate_kernel		pmd_populate
+
+pgtable_t pte_alloc_one(struct mm_struct *mm);
+
+static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm)
+{
+	return srmmu_get_nocache(SRMMU_PTE_TABLE_SIZE,
+				 SRMMU_PTE_TABLE_SIZE);
+}
+
+
+static inline void free_pte_fast(pte_t *pte)
+{
+	srmmu_free_nocache(pte, SRMMU_PTE_TABLE_SIZE);
+}
+
+#define pte_free_kernel(mm, pte)	free_pte_fast(pte)
+
+void pte_free(struct mm_struct * mm, pgtable_t pte);
+#define __pte_free_tlb(tlb, pte, addr)	pte_free((tlb)->mm, pte)
+
+#endif /* _SPARC_PGALLOC_H */