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8209162: Page size selection does not always select optimal page size

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Reviewed-by: sjohanss, tschatzl
This commit is contained in:
Ivan Walulya 2020-04-21 19:44:17 +02:00
parent d945999862
commit 59521b0389
1 changed files with 1 additions and 3 deletions
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4
src/hotspot/share/gc/parallel/parallelArguments.cpp
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@ -122,10 +122,8 @@ void ParallelArguments::initialize_heap_flags_and_sizes() {
initialize_heap_flags_and_sizes_one_pass();
const size_t max_page_sz = os::page_size_for_region_aligned(MaxHeapSize, 8);
const size_t min_pages = 4; // 1 for eden + 1 for each survivor + 1 for old
const size_t min_page_sz = os::page_size_for_region_aligned(MinHeapSize, min_pages);
const size_t page_sz = MIN2(max_page_sz, min_page_sz);
const size_t page_sz = os::page_size_for_region_aligned(MinHeapSize, min_pages);
// Can a page size be something else than a power of two?
assert(is_power_of_2((intptr_t)page_sz), "must be a power of 2");