From b70c0fa1613c4f69b4a340a0e2bee387560ebbb1 Mon Sep 17 00:00:00 2001 From: "David S. Miller" Date: Tue, 31 Jan 2006 18:32:04 -0800 Subject: [SPARC64]: Preload TSB entries from update_mmu_cache(). Signed-off-by: David S. Miller --- arch/sparc64/mm/init.c | 10 ++++++++++ 1 file changed, 10 insertions(+) (limited to 'arch/sparc64/mm') diff --git a/arch/sparc64/mm/init.c b/arch/sparc64/mm/init.c index a8119cb4fa3..1e8a5a33639 100644 --- a/arch/sparc64/mm/init.c +++ b/arch/sparc64/mm/init.c @@ -277,6 +277,16 @@ void update_mmu_cache(struct vm_area_struct *vma, unsigned long address, pte_t p mm_rss = get_mm_rss(mm); if (mm_rss >= mm->context.tsb_rss_limit) tsb_grow(mm, mm_rss, GFP_ATOMIC); + + if ((pte_val(pte) & _PAGE_ALL_SZ_BITS) == _PAGE_SZBITS) { + struct tsb *tsb; + unsigned long tag; + + tsb = &mm->context.tsb[(address >> PAGE_SHIFT) & + (mm->context.tsb_nentries - 1UL)]; + tag = (address >> 22UL) | CTX_HWBITS(mm->context) << 48UL; + tsb_insert(tsb, tag, pte_val(pte)); + } } void flush_dcache_page(struct page *page) -- cgit v1.2.3