diff options
| author | Matthew Wilcox (Oracle) <willy@infradead.org> | 2023-08-02 17:13:53 +0200 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2023-08-25 01:20:23 +0200 |
| commit | 665f640294540a941aabb81ae46dfc671aff5259 (patch) | |
| tree | 974f7158aab0c0b116ce36372ce817fb61f69319 /arch/sparc/mm/init_32.c | |
| parent | sh: implement the new page table range API (diff) | |
| download | linux-665f640294540a941aabb81ae46dfc671aff5259.tar.xz linux-665f640294540a941aabb81ae46dfc671aff5259.zip | |
sparc32: implement the new page table range API
Add PFN_PTE_SHIFT, update_mmu_cache_range(), flush_dcache_folio() and
flush_icache_pages().
Link: https://lkml.kernel.org/r/20230802151406.3735276-26-willy@infradead.org
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Acked-by: Mike Rapoport (IBM) <rppt@kernel.org>
Cc: "David S. Miller" <davem@davemloft.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'arch/sparc/mm/init_32.c')
| -rw-r--r-- | arch/sparc/mm/init_32.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/arch/sparc/mm/init_32.c b/arch/sparc/mm/init_32.c index 9c0ea457bdf0..d96a14ffceeb 100644 --- a/arch/sparc/mm/init_32.c +++ b/arch/sparc/mm/init_32.c @@ -297,11 +297,20 @@ void sparc_flush_page_to_ram(struct page *page) { unsigned long vaddr = (unsigned long)page_address(page); - if (vaddr) - __flush_page_to_ram(vaddr); + __flush_page_to_ram(vaddr); } EXPORT_SYMBOL(sparc_flush_page_to_ram); +void sparc_flush_folio_to_ram(struct folio *folio) +{ + unsigned long vaddr = (unsigned long)folio_address(folio); + unsigned int i, nr = folio_nr_pages(folio); + + for (i = 0; i < nr; i++) + __flush_page_to_ram(vaddr + i * PAGE_SIZE); +} +EXPORT_SYMBOL(sparc_flush_folio_to_ram); + static const pgprot_t protection_map[16] = { [VM_NONE] = PAGE_NONE, [VM_READ] = PAGE_READONLY, |