Messages in this thread Patch in this message | | | Date | Thu, 13 Nov 2008 12:13:35 -0800 | From | Jeremy Fitzhardinge <> | Subject | [PATCH 3/2] mm/remap_pfn_range: restore missing flush |
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Restore the cache flush and BUG_ON removed in the conversion to using apply_to_page_range().
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citix.com> Cc: Johannes Weiner <hannes@cmpxchg.org> --- mm/memory.c | 4 ++++ 1 file changed, 4 insertions(+)
=================================================================== --- a/mm/memory.c +++ b/mm/memory.c @@ -1484,6 +1484,8 @@ struct remap_data *rmd = data; pte_t pte = pte_mkspecial(pfn_pte(rmd->pfn++, rmd->prot)); + BUG_ON(!pte_none(*ptep)); + set_pte_at(rmd->mm, addr, ptep, pte); return 0; @@ -1535,6 +1537,8 @@ BUG_ON(addr >= end); + flush_cache_range(vma, addr, end); + rmd.mm = mm; rmd.pfn = pfn; rmd.prot = prot;
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