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rpmalloc: Switch back to using 2MB heap areas instead of 4MB.

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There seem to be some cases that severely fragment rpmalloc's heap,
wasting large amounts of memory (in #15264, some 750+MB it appears
are wasted this way.) This is a stop-gap measure to cut the wastage
in half (or more) until a proper solution is implemented.
This commit is contained in:
Augustin Cavalier
2019-08-26 22:01:48 -04:00
parent 84dc116351
commit 60baa09ba0
1 changed files with 4 additions and 0 deletions
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src/system/libroot/posix/rpmalloc/rpmalloc.cpp
+4
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@@ -61,9 +61,13 @@
#define DISABLE_UNMAP 0 #define DISABLE_UNMAP 0
#endif #endif
#ifndef DEFAULT_SPAN_MAP_COUNT #ifndef DEFAULT_SPAN_MAP_COUNT
#ifdef __HAIKU__
#define DEFAULT_SPAN_MAP_COUNT 32
#else
//! Default number of spans to map in call to map more virtual memory (default values yield 4MiB here) //! Default number of spans to map in call to map more virtual memory (default values yield 4MiB here)
#define DEFAULT_SPAN_MAP_COUNT 64 #define DEFAULT_SPAN_MAP_COUNT 64
#endif #endif
#endif
#if ENABLE_THREAD_CACHE #if ENABLE_THREAD_CACHE
#ifndef ENABLE_UNLIMITED_CACHE #ifndef ENABLE_UNLIMITED_CACHE