X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/1d95145df4657e19b9a02db53de4c9f758a0c6f5..6ec42f8e4ef116e1d0a250e1491f3520a4d97e73:/src/mc/ChunkedData.cpp diff --git a/src/mc/ChunkedData.cpp b/src/mc/ChunkedData.cpp index cfacbfafda..ff1da46351 100644 --- a/src/mc/ChunkedData.cpp +++ b/src/mc/ChunkedData.cpp @@ -14,9 +14,7 @@ #include "src/mc/AddressSpace.hpp" #include "src/mc/ChunkedData.hpp" - -#define SOFT_DIRTY_BIT_NUMBER 55 -#define SOFT_DIRTY (((uint64_t)1) << SOFT_DIRTY_BIT_NUMBER) +#include "src/mc/PageStore.hpp" namespace simgrid { namespace mc { @@ -28,8 +26,7 @@ namespace mc { * @return Snapshot page numbers of this new snapshot */ ChunkedData::ChunkedData(PageStore& store, AddressSpace& as, - remote_ptr addr, std::size_t page_count, - const std::size_t* ref_page_numbers, const std::uint64_t* pagemap) + RemotePtr addr, std::size_t page_count) { store_ = &store; this->pagenos_.resize(page_count); @@ -37,15 +34,9 @@ ChunkedData::ChunkedData(PageStore& store, AddressSpace& as, for (size_t i = 0; i != page_count; ++i) { - // We don't have to compare soft-clean pages: - if (ref_page_numbers && pagemap && !(pagemap[i] & SOFT_DIRTY)) { - pagenos_[i] = ref_page_numbers[i]; - store_->ref_page(ref_page_numbers[i]); - continue; - } - - remote_ptr page = remote(addr.address() + (i << xbt_pagebits)); - xbt_assert(mc_page_offset((void*)page.address())==0, + RemotePtr page = remote((void*) + simgrid::mc::mmu::join(i, addr.address())); + xbt_assert(simgrid::mc::mmu::split(page.address()).second == 0, "Not at the beginning of a page"); /* Adding another copy (and a syscall) will probably slow things a lot.