Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/share/vm/runtime/arguments.cpp
src/share/vm/runtime/arguments.cpp
- changeset 6240
- 9b4ce069642e
- parent 5650
- bb57d48691f5
- child 5683
- 621eda7235d2
- child 5694
- 7944aba7ba41
- child 5727
- ae3e68933caf
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| 6239:2a907fd129cb | 6240:9b4ce069642e |
|---|---|
| 1603 result = MIN2(result, max_allocatable / MaxVirtMemFraction); | 1603 result = MIN2(result, max_allocatable / MaxVirtMemFraction); |
| 1604 } | 1604 } |
| 1605 return result; | 1605 return result; |
| 1606 } | 1606 } |
| 1607 | 1607 |
| 1608 void Arguments::set_heap_base_min_address() { | |
| 1609 if (FLAG_IS_DEFAULT(HeapBaseMinAddress) && UseG1GC && HeapBaseMinAddress < 1*G) { | |
| 1610 // By default HeapBaseMinAddress is 2G on all platforms except Solaris x86. | |
| 1611 // G1 currently needs a lot of C-heap, so on Solaris we have to give G1 | |
| 1612 // some extra space for the C-heap compared to other collectors. | |
| 1613 // Use FLAG_SET_DEFAULT here rather than FLAG_SET_ERGO to make sure that | |
| 1614 // code that checks for default values work correctly. | |
| 1615 FLAG_SET_DEFAULT(HeapBaseMinAddress, 1*G); | |
| 1616 } | |
| 1617 } | |
| 1618 | |
| 1619 void Arguments::set_heap_size() { | 1608 void Arguments::set_heap_size() { |
| 1620 if (!FLAG_IS_DEFAULT(DefaultMaxRAMFraction)) { | 1609 if (!FLAG_IS_DEFAULT(DefaultMaxRAMFraction)) { |
| 1621 // Deprecated flag | 1610 // Deprecated flag |
| 1622 FLAG_SET_CMDLINE(uintx, MaxRAMFraction, DefaultMaxRAMFraction); | 1611 FLAG_SET_CMDLINE(uintx, MaxRAMFraction, DefaultMaxRAMFraction); |
| 1623 } | 1612 } |
| 2228 // 8K is well beyond the reasonable HW cache line size, even with the | 2217 // 8K is well beyond the reasonable HW cache line size, even with the |
| 2229 // aggressive prefetching, while still leaving the room for segregating | 2218 // aggressive prefetching, while still leaving the room for segregating |
| 2230 // among the distinct pages. | 2219 // among the distinct pages. |
| 2231 if (ContendedPaddingWidth < 0 || ContendedPaddingWidth > 8192) { | 2220 if (ContendedPaddingWidth < 0 || ContendedPaddingWidth > 8192) { |
| 2232 jio_fprintf(defaultStream::error_stream(), | 2221 jio_fprintf(defaultStream::error_stream(), |
| 2233 "ContendedPaddingWidth=" INTX_FORMAT " must be the between %d and %d\n", | 2222 "ContendedPaddingWidth=" INTX_FORMAT " must be in between %d and %d\n", |
| 2234 ContendedPaddingWidth, 0, 8192); | 2223 ContendedPaddingWidth, 0, 8192); |
| 2235 status = false; | 2224 status = false; |
| 2236 } | 2225 } |
| 2237 | 2226 |
| 2238 // Need to enforce the padding not to break the existing field alignments. | 2227 // Need to enforce the padding not to break the existing field alignments. |
| 2239 // It is sufficient to check against the largest type size. | 2228 // It is sufficient to check against the largest type size. |
| 2240 if ((ContendedPaddingWidth % BytesPerLong) != 0) { | 2229 if ((ContendedPaddingWidth % BytesPerLong) != 0) { |
| 2241 jio_fprintf(defaultStream::error_stream(), | 2230 jio_fprintf(defaultStream::error_stream(), |
| 2242 "ContendedPaddingWidth=" INTX_FORMAT " must be the multiple of %d\n", | 2231 "ContendedPaddingWidth=" INTX_FORMAT " must be a multiple of %d\n", |
| 2243 ContendedPaddingWidth, BytesPerLong); | 2232 ContendedPaddingWidth, BytesPerLong); |
| 2244 status = false; | 2233 status = false; |
| 2245 } | 2234 } |
| 2246 | 2235 |
| 2247 // Check lower bounds of the code cache | 2236 // Check lower bounds of the code cache |
| 3535 vm_exit_during_initialization( | 3524 vm_exit_during_initialization( |
| 3536 "Incompatible compilation policy selected", NULL); | 3525 "Incompatible compilation policy selected", NULL); |
| 3537 } | 3526 } |
| 3538 } | 3527 } |
| 3539 | 3528 |
| 3540 set_heap_base_min_address(); | |
| 3541 | |
| 3542 // Set heap size based on available physical memory | 3529 // Set heap size based on available physical memory |
| 3543 set_heap_size(); | 3530 set_heap_size(); |
| 3544 | 3531 |
| 3545 #if INCLUDE_ALL_GCS | 3532 #if INCLUDE_ALL_GCS |
| 3546 // Set per-collector flags | 3533 // Set per-collector flags |
