[PATCH v2] make sample page count configurable

[huangy81@chinatelecom.cn]

From: Hyman Huang(黄勇) <huangy81@chinatelecom.cn>

This is v2 of introducing sample pages argument to dirty rate interface 

v2:
- do the code clean on the basis of review by David
- add qemu version to 6.1 since which the argument introduced
- raise the upper limit of sample pages refer as MAX_SAMPLE_PAGE_COUNT

v1:
- code clean: rename the parameter of the is_sample_valid function 

Hyman Huang(黄勇) (1):
  migration/dirtyrate: make sample page count configurable

 migration/dirtyrate.c | 31 ++++++++++++++++---
 migration/dirtyrate.h |  8 ++++-
 qapi/migration.json   | 85 ++++++++++++++++++++++++++++-----------------------
 3 files changed, 80 insertions(+), 44 deletions(-)

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1.8.3.1