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Optimize the configuration of the port heap. Previously the max bin size was

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512 bytes with a heap page of 2048 bytes resulting in excessive waste for
allocations between 512 and 1023 bytes. Also tune the requested alignment so
that sizeof(port_message) (currently 28 bytes) can occupy one allocation unit
without waste.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@42340 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Michael Lotz
2011-06-29 18:03:42 +00:00
parent 2483cfd8b7
commit 961a96a987
1 changed files with 2 additions and 2 deletions
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src/system/kernel/port.cpp
+2 -2
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@@ -760,9 +760,9 @@ port_init(kernel_args *args)
return B_ERROR; return B_ERROR;
} }
static const heap_class kBufferHeapClass = {"default", 100, static const heap_class kBufferHeapClass = { "port heap", 100,
PORT_MAX_MESSAGE_SIZE + sizeof(port_message), 2 * 1024, PORT_MAX_MESSAGE_SIZE + sizeof(port_message), 2 * 1024,
sizeof(port_message), 8, 4, 64}; sizeof(port_message), 4, 2, 24 };
sPortAllocator = heap_create_allocator("port buffer", base, sPortAllocator = heap_create_allocator("port buffer", base,
kInitialPortBufferSize, &kBufferHeapClass, true); kInitialPortBufferSize, &kBufferHeapClass, true);
if (sPortAllocator == NULL) { if (sPortAllocator == NULL) {