diff options
| author | Matthew Wilcox (Oracle) <willy@infradead.org> | 2023-08-02 18:13:52 +0300 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2023-08-25 02:20:23 +0300 |
| commit | 157efa290441bf7eb952f81717704afef09ae0d6 (patch) | |
| tree | dd3e7cd902d663bee4a88c6ff9eb2dba1dd627f2 /arch/sh/mm/kmap.c | |
| parent | 843f9310e00ad4d6207cff88c05ce90b857625d0 (diff) | |
| download | linux-157efa290441bf7eb952f81717704afef09ae0d6.tar.xz | |
sh: implement the new page table range API
Add PFN_PTE_SHIFT, update_mmu_cache_range(), flush_dcache_folio() and
flush_icache_pages(). Change the PG_dcache_clean flag from being per-page
to per-folio. Flush the entire folio containing the pages in
flush_icache_pages() for ease of implementation.
Link: https://lkml.kernel.org/r/20230802151406.3735276-25-willy@infradead.org
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Acked-by: Mike Rapoport (IBM) <rppt@kernel.org>
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Cc: Rich Felker <dalias@libc.org>
Cc: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'arch/sh/mm/kmap.c')
| -rw-r--r-- | arch/sh/mm/kmap.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/sh/mm/kmap.c b/arch/sh/mm/kmap.c index 73fd7cc99430..fa50e8f6e7a9 100644 --- a/arch/sh/mm/kmap.c +++ b/arch/sh/mm/kmap.c @@ -27,10 +27,11 @@ void __init kmap_coherent_init(void) void *kmap_coherent(struct page *page, unsigned long addr) { + struct folio *folio = page_folio(page); enum fixed_addresses idx; unsigned long vaddr; - BUG_ON(!test_bit(PG_dcache_clean, &page->flags)); + BUG_ON(!test_bit(PG_dcache_clean, &folio->flags)); preempt_disable(); pagefault_disable(); |