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Summary of changes

The heap size was incorrectly calculated.
This fixes it by subtracting the Stack size, any memory chunks allocated
before the start of the application (for vectors and/or crash report), and
finally the size of the application from the total RAM size.

Impact of changes

Migration actions required

Documentation


Pull request type

[x] Patch update (Bug fix / Target update / Docs update / Test update / Refactor)
[] Feature update (New feature / Functionality change / New API)
[] Major update (Breaking change E.g. Return code change / API behaviour change)

Test results

[] No Tests required for this change (E.g docs only update)
[x] Covered by existing mbed-os tests (Greentea or Unittest)
[] Tests / results supplied as part of this PR

Reviewers


The heap size was incorrectly calculated.
This fixes it by subtracting the Stack size, any memory chunks allocated
before the start of the application (for vectors and/or crash report), and
finally the size of the application from the total RAM size.
@ciarmcom ciarmcom added the release-type: patch Indentifies a PR as containing just a patch label Jan 8, 2021
@ciarmcom ciarmcom requested a review from a team January 8, 2021 19:00
@ciarmcom
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ciarmcom commented Jan 8, 2021

@hugueskamba, thank you for your changes.
@ARMmbed/team-gigadevice @ARMmbed/mbed-os-maintainers please review.

@mergify mergify bot added needs: CI and removed needs: review labels Jan 11, 2021
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0xc0170 commented Jan 11, 2021

CI started

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mbed-ci commented Jan 11, 2021

Jenkins CI Test : ✔️ SUCCESS

Build Number: 1 | 🔒 Jenkins CI Job | 🌐 Logs & Artifacts

CLICK for Detailed Summary

jobs Status
jenkins-ci/mbed-os-ci_unittests ✔️
jenkins-ci/mbed-os-ci_cmake-example-GCC_ARM ✔️
jenkins-ci/mbed-os-ci_cmake-example-ARM ✔️
jenkins-ci/mbed-os-ci_build-cloud-example-ARM ✔️
jenkins-ci/mbed-os-ci_build-example-GCC_ARM ✔️
jenkins-ci/mbed-os-ci_build-cloud-example-GCC_ARM ✔️
jenkins-ci/mbed-os-ci_build-greentea-GCC_ARM ✔️
jenkins-ci/mbed-os-ci_build-greentea-ARM ✔️
jenkins-ci/mbed-os-ci_build-example-ARM ✔️
jenkins-ci/mbed-os-ci_greentea-test ✔️
jenkins-ci/mbed-os-ci_cmake-example-test ✔️

@0xc0170 0xc0170 merged commit c79ccf1 into ARMmbed:master Jan 11, 2021
@mergify mergify bot removed the ready for merge label Jan 11, 2021
@hugueskamba hugueskamba deleted the hk_heap_size_fix_gigadevice branch January 11, 2021 16:25
@mbedmain mbedmain added release-version: 6.7.0 Release-pending and removed release-type: patch Indentifies a PR as containing just a patch Release-pending labels Jan 25, 2021
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6 participants