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Add a pages_purge function to wrap madvise(JEMALLOC_MADV_PURGE) calls

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This will be used to implement the feature on mingw, which doesn't have
madvise.
This commit is contained in:
Mike Hommey 2012-04-18 18:29:43 +02:00 • committed by Jason Evans
parent e38e45743f
commit 666c5bf7a8
6 changed files with 20 additions and 10 deletions
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7
include/jemalloc/jemalloc_defs.h.in
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@ -220,13 +220,6 @@
*/
#undef JEMALLOC_PURGE_MADVISE_DONTNEED
#undef JEMALLOC_PURGE_MADVISE_FREE
#ifdef JEMALLOC_PURGE_MADVISE_DONTNEED
# define JEMALLOC_MADV_PURGE MADV_DONTNEED
#elif defined(JEMALLOC_PURGE_MADVISE_FREE)
# define JEMALLOC_MADV_PURGE MADV_FREE
#else
# error "No method defined for purging unused dirty pages."
#endif
/* sizeof(void *) == 2^LG_SIZEOF_PTR. */
#undef LG_SIZEOF_PTR