add heapcheck(memcheck) flag

[pengxianghao21]

Summary

What

1. replaced TCB_FLAG_MEM_CHECK by TCB_FLAG_HEAPCHECK
2. add heapcheck flag

Why

kmm_checkcorruption is used to check whether memory heap is normal.

1. Comparing with flag name TCB_FLAG_MEM_CHECK, TCB_FLAG_HEAPCHECK should be more suitable in such condition.
2. A dynamic flag control would efficiently debug using kmm_checkcorruption().

How

kmm_checkcorruption() with flexible flag control for developer to choose for each tcb.

1 for open heapcheck, 0 for close
echo 1 > /proc/xxx/heapcheck
echo 0 > /proc/xxx/heapcheck

Impact

Using of TCB_FLAG_MEM_CHECK may need to be replaced with TCB_FLAG_HEAPCHECK.

Testing

Vela CI

[davids5]

@pengxiang-hao -

The title and Summary, Impact, Testing do not document what this PR does. I makes is sound like you renamed and added a flag. Please document the changes herein and answer the questions Why it is needed and What does and How Please do this by editing the title and Summary, Impact, Testing above.

[davids5]

@xiaoxiang781216 - I think we cross posted. There have been no changes since I reviewed the PR and asked for changes.

[xiaoxiang781216]

@xiaoxiang781216 - I think we cross posted. There have been no changes since I reviewed the PR and asked for changes.

I think "The title and Summary, Impact, Testing" is updated, but the code isn't. @pengxiang-hao please update the code too.

[davids5]

@xiaoxiang781216 - I think we cross posted. There have been no changes since I reviewed the PR and asked for changes.

I think "The title and Summary, Impact, Testing" is updated, but the code isn't. @pengxiang-hao please update the code too.

GH logs the edits. I do not see any since I posted. Do you?

[xiaoxiang781216]

@davids5 please review the update again, the change look good to me now.