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Fix in-place shrinking huge reallocation purging bugs.

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Fix the shrinking case of huge_ralloc_no_move_similar() to purge the
correct number of pages, at the correct offset.  This regression was
introduced by 8d6a3e8321 (Implement
dynamic per arena control over dirty page purging.).

Fix huge_ralloc_no_move_shrink() to purge the correct number of pages.
This bug was introduced by 9673983443
(Purge/zero sub-chunk huge allocations as necessary.).
This commit is contained in:
Jason Evans 2015-03-25 18:56:55 -07:00
parent 562d266511
commit 65db63cf3f
2 changed files with 17 additions and 21 deletions
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7
src/arena.c
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@ -1245,16 +1245,11 @@ arena_purge_stashed(arena_t *arena,
if (rdelm == &chunkselm->rd) {
size_t size = extent_node_size_get(chunkselm);
void *addr, *chunk;
size_t offset;
bool unzeroed;
npages = size >> LG_PAGE;
addr = extent_node_addr_get(chunkselm);
chunk = CHUNK_ADDR2BASE(addr);
offset = CHUNK_ADDR2OFFSET(addr);
unzeroed = chunk_purge_wrapper(arena, chunk_purge,
chunk, offset, size);
extent_node_addr_get(chunkselm), 0, size);
extent_node_zeroed_set(chunkselm, !unzeroed);
chunkselm = qr_next(chunkselm, cc_link);
} else {