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Made the default page size 512 (g++ 2.96 on Red Hat 7.2 dislikes 496.)

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[SVN r17272]
This commit is contained in:
Peter Dimov
2003-02-07 19:06:28 +00:00
parent eee70bdcab
commit ce36b11fd5
1 changed files with 5 additions and 1 deletions
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6
include/boost/detail/quick_allocator.hpp
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@ -54,6 +54,10 @@ template<unsigned size, unsigned align> struct allocator_impl
// and don't interfere with ::new. // and don't interfere with ::new.
// //
// The other alternative is to use much bigger pages (1M.) // The other alternative is to use much bigger pages (1M.)
//
// It is surprisingly easy to hit pathological behavior by
// varying the page size. g++ 2.96 on Red Hat Linux 7.2,
// for example, passionately dislikes 496. 512 seems OK.
#if defined(BOOST_QA_PAGE_SIZE) #if defined(BOOST_QA_PAGE_SIZE)
@ -61,7 +65,7 @@ template<unsigned size, unsigned align> struct allocator_impl
#else #else
enum { items_per_page = 496 / size }; // 1048560 / size enum { items_per_page = 512 / size }; // 1048560 / size
#endif #endif