531 if (lower_needs > 0) { |
531 if (lower_needs > 0) { |
532 assert(low_boundary() <= lower_high() && |
532 assert(low_boundary() <= lower_high() && |
533 lower_high() + lower_needs <= lower_high_boundary(), |
533 lower_high() + lower_needs <= lower_high_boundary(), |
534 "must not expand beyond region"); |
534 "must not expand beyond region"); |
535 if (!os::commit_memory(lower_high(), lower_needs, _executable)) { |
535 if (!os::commit_memory(lower_high(), lower_needs, _executable)) { |
536 debug_only(warning("os::commit_memory failed")); |
536 debug_only(warning("INFO: os::commit_memory(" PTR_FORMAT |
|
537 ", lower_needs=" SIZE_FORMAT ", %d) failed", |
|
538 lower_high(), lower_needs, _executable);) |
537 return false; |
539 return false; |
538 } else { |
540 } else { |
539 _lower_high += lower_needs; |
541 _lower_high += lower_needs; |
540 } |
542 } |
541 } |
543 } |
542 if (middle_needs > 0) { |
544 if (middle_needs > 0) { |
543 assert(lower_high_boundary() <= middle_high() && |
545 assert(lower_high_boundary() <= middle_high() && |
544 middle_high() + middle_needs <= middle_high_boundary(), |
546 middle_high() + middle_needs <= middle_high_boundary(), |
545 "must not expand beyond region"); |
547 "must not expand beyond region"); |
546 if (!os::commit_memory(middle_high(), middle_needs, middle_alignment(), |
548 if (!os::commit_memory(middle_high(), middle_needs, middle_alignment(), |
547 _executable)) { |
549 _executable)) { |
548 debug_only(warning("os::commit_memory failed")); |
550 debug_only(warning("INFO: os::commit_memory(" PTR_FORMAT |
|
551 ", middle_needs=" SIZE_FORMAT ", " SIZE_FORMAT |
|
552 ", %d) failed", middle_high(), middle_needs, |
|
553 middle_alignment(), _executable);) |
549 return false; |
554 return false; |
550 } |
555 } |
551 _middle_high += middle_needs; |
556 _middle_high += middle_needs; |
552 } |
557 } |
553 if (upper_needs > 0) { |
558 if (upper_needs > 0) { |
554 assert(middle_high_boundary() <= upper_high() && |
559 assert(middle_high_boundary() <= upper_high() && |
555 upper_high() + upper_needs <= upper_high_boundary(), |
560 upper_high() + upper_needs <= upper_high_boundary(), |
556 "must not expand beyond region"); |
561 "must not expand beyond region"); |
557 if (!os::commit_memory(upper_high(), upper_needs, _executable)) { |
562 if (!os::commit_memory(upper_high(), upper_needs, _executable)) { |
558 debug_only(warning("os::commit_memory failed")); |
563 debug_only(warning("INFO: os::commit_memory(" PTR_FORMAT |
|
564 ", upper_needs=" SIZE_FORMAT ", %d) failed", |
|
565 upper_high(), upper_needs, _executable);) |
559 return false; |
566 return false; |
560 } else { |
567 } else { |
561 _upper_high += upper_needs; |
568 _upper_high += upper_needs; |
562 } |
569 } |
563 } |
570 } |