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Increase the heap size in 64 KB steps. Was 4 KB before, which was a bit

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slow for short-running, heap-intensive programs.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@27925 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Ingo Weinhold 2008-10-08 14:05:47 +00:00
parent 79097ca072
commit 7867cf37df
1 changed files with 6 additions and 2 deletions
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8
src/system/libroot/posix/malloc/arch-specific.cpp
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@ -54,6 +54,9 @@ struct free_chunk {
static const size_t kInitialHeapSize = 50 * B_PAGE_SIZE;
// that's about what hoard allocates anyway
static const size_t kHeapIncrement = 16 * B_PAGE_SIZE;
// the steps in which to increase the heap size
static area_id sHeapArea;
static hoardLockType sHeapLock;
static void *sHeapBase;
@ -88,7 +91,7 @@ __init_heap(void)
status_t status = _kern_reserve_heap_address_range((addr_t *)&sHeapBase,
B_EXACT_ADDRESS, 0x48000000);
sHeapArea = create_area("heap", (void **)&sHeapBase,
sHeapArea = create_area("heap", (void **)&sHeapBase,
status == B_OK ? B_EXACT_ADDRESS : B_BASE_ADDRESS,
kInitialHeapSize, B_NO_LOCK, B_READ_AREA | B_WRITE_AREA);
if (sHeapArea < B_OK)
@ -194,7 +197,8 @@ hoardSbrk(long size)
sFreeHeapSize += size;
// round to next page size
size_t pageSize = (sFreeHeapSize + B_PAGE_SIZE - 1) & ~(B_PAGE_SIZE - 1);
size_t pageSize = (sFreeHeapSize + kHeapIncrement - 1)
& ~(kHeapIncrement - 1);
if (pageSize < sHeapAreaSize) {
SERIAL_PRINT(("HEAP-%ld: heap area large enough for %ld\n", find_thread(NULL), size));