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Diffstat (limited to 'arch/csky/abiv2/cacheflush.c')
-rw-r--r--arch/csky/abiv2/cacheflush.c31
1 files changed, 17 insertions, 14 deletions
diff --git a/arch/csky/abiv2/cacheflush.c b/arch/csky/abiv2/cacheflush.c
index 500eb8f69397..876028b1083f 100644
--- a/arch/csky/abiv2/cacheflush.c
+++ b/arch/csky/abiv2/cacheflush.c
@@ -7,30 +7,33 @@
#include <asm/cache.h>
#include <asm/tlbflush.h>
-void update_mmu_cache(struct vm_area_struct *vma, unsigned long address,
- pte_t *pte)
+void update_mmu_cache_range(struct vm_fault *vmf, struct vm_area_struct *vma,
+ unsigned long address, pte_t *pte, unsigned int nr)
{
- unsigned long addr;
- struct page *page;
+ unsigned long pfn = pte_pfn(*pte);
+ struct folio *folio;
+ unsigned int i;
flush_tlb_page(vma, address);
- if (!pfn_valid(pte_pfn(*pte)))
+ if (!pfn_valid(pfn))
return;
- page = pfn_to_page(pte_pfn(*pte));
- if (page == ZERO_PAGE(0))
- return;
+ folio = page_folio(pfn_to_page(pfn));
- if (test_and_set_bit(PG_dcache_clean, &page->flags))
+ if (test_and_set_bit(PG_dcache_clean, &folio->flags))
return;
- addr = (unsigned long) kmap_atomic(page);
-
- icache_inv_range(address, address + PAGE_SIZE);
- dcache_wb_range(addr, addr + PAGE_SIZE);
+ icache_inv_range(address, address + nr*PAGE_SIZE);
+ for (i = 0; i < folio_nr_pages(folio); i++) {
+ unsigned long addr = (unsigned long) kmap_local_folio(folio,
+ i * PAGE_SIZE);
- kunmap_atomic((void *) addr);
+ dcache_wb_range(addr, addr + PAGE_SIZE);
+ if (vma->vm_flags & VM_EXEC)
+ icache_inv_range(addr, addr + PAGE_SIZE);
+ kunmap_local((void *) addr);
+ }
}
void flush_icache_deferred(struct mm_struct *mm)