diff options
| author | David S. Miller <davem@davemloft.net> | 2006-01-31 18:32:04 -0800 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2006-03-20 01:11:19 -0800 |
| commit | b70c0fa1613c4f69b4a340a0e2bee387560ebbb1 (patch) | |
| tree | f7bf22ab75cb9118f5772353fef6efd923faa212 /arch/sparc64/mm/init.c | |
| parent | bd40791e1d289d807b8580abe1f117e9c62894e4 (diff) | |
| download | linux-b70c0fa1613c4f69b4a340a0e2bee387560ebbb1.tar.gz linux-b70c0fa1613c4f69b4a340a0e2bee387560ebbb1.tar.bz2 linux-b70c0fa1613c4f69b4a340a0e2bee387560ebbb1.zip | |
[SPARC64]: Preload TSB entries from update_mmu_cache().
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/sparc64/mm/init.c')
| -rw-r--r-- | arch/sparc64/mm/init.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/sparc64/mm/init.c b/arch/sparc64/mm/init.c index a8119cb4fa32..1e8a5a33639d 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) |