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Add hpa_central module

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This will be the centralized component of the coming hugepage allocator; the
source of larger chunks of memory from which smaller ones can be obtained.
This commit is contained in:
David Goldblatt 2020-08-07 17:47:13 -07:00 • committed by David Goldblatt
parent 1ed7ec369f
commit 21b70cb540
9 changed files with 722 additions and 0 deletions
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9
src/extent.c
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@ -809,6 +809,15 @@ extent_can_coalesce(ecache_t *ecache, const edata_t *inner,
return false;
}
/*
* We wouldn't really get into this situation because one or the other
* edata would have to have a head bit set to true, but this is
* conceptually correct and cheap.
*/
if (edata_pai_get(inner) != edata_pai_get(outer)) {
return false;
}
assert(edata_state_get(inner) == extent_state_active);
if (edata_state_get(outer) != ecache->state) {
return false;