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dom0/qmemman: alloc at least 100MB for domain

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If domain has less than 100MB it will cause OOM very soon - this isn't enough
for non-swappable data...
This commit is contained in:
Marek Marczykowski 2011-10-10 11:04:28 +02:00
parent ed23b0d6a2
commit 57aec48050
1 changed files with 2 additions and 1 deletions
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3
dom0/qmemman/qmemman_algo.py
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@ -58,10 +58,11 @@ def refresh_meminfo_for_domain(domain, untrusted_xenstore_key):
def prefmem(domain):
CACHE_FACTOR = 1.3
MIN_PREFMEM = 100*1024*1024
#dom0 is special, as it must have large cache, for vbds. Thus, give it a special boost
if domain.id == '0':
return min(domain.mem_used*CACHE_FACTOR + 350*1024*1024, domain.memory_maximum)
return min(domain.mem_used*CACHE_FACTOR, domain.memory_maximum)
return max(min(domain.mem_used*CACHE_FACTOR, domain.memory_maximum), MIN_PREFMEM)
def memory_needed(domain):
#do not change