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Jason Evans 952b7d192b Split run deallocation out of arena_dalloc_bin(), into arena_dalloc_bin_run(). ... Enhance bin run deallocation to avoid marking all pages as dirty, since the dirty bits are already correct for all but the first page, due to the use of arena_run_rc_{incr,decr}(). This tends to dramatically reduce the number of pages that are marked dirty. Modify arena_bin_run_size_calc() to assure that bin run headers never exceed one page. In practice, this can't happen unless hard-coded constants (related to RUN_MAX_OVRHD) are modified, but the dirty page tracking code assumes bin run headers never extend past the first page, so it seems worth making this a universally valid assumption.		2010-01-03 12:10:47 -08:00
jemalloc	Split run deallocation out of arena_dalloc_bin(), into arena_dalloc_bin_run().	2010-01-03 12:10:47 -08:00
.hgignore	Fix configure docs (--enable-lazy-lock --> --disable-lazy-lock).	2009-11-09 14:58:12 -08:00