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Normalize aligned allocation algorithms.

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Normalize arena_palloc(), chunk_alloc_mmap_slow(), and
chunk_recycle_dss() to use the same algorithm for trimming
over-allocation.

Add the ALIGNMENT_ADDR2BASE(), ALIGNMENT_ADDR2OFFSET(), and
ALIGNMENT_CEILING() macros, and use them where appropriate.

Remove the run_size_p parameter from sa2u().

Fix a potential deadlock in chunk_recycle_dss() that was introduced by
eae269036c (Add alignment support to
chunk_alloc()).
This commit is contained in:
Jason Evans
2012-04-11 18:13:45 -07:00
parent 122449b073
commit 5ff709c264
8 changed files with 138 additions and 155 deletions
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6
src/ckh.c
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@@ -264,7 +264,7 @@ ckh_grow(ckh_t *ckh)
size_t usize;
lg_curcells++;
usize = sa2u(sizeof(ckhc_t) << lg_curcells, CACHELINE, NULL);
usize = sa2u(sizeof(ckhc_t) << lg_curcells, CACHELINE);
if (usize == 0) {
ret = true;
goto label_return;
@@ -309,7 +309,7 @@ ckh_shrink(ckh_t *ckh)
*/
lg_prevbuckets = ckh->lg_curbuckets;
lg_curcells = ckh->lg_curbuckets + LG_CKH_BUCKET_CELLS - 1;
usize = sa2u(sizeof(ckhc_t) << lg_curcells, CACHELINE, NULL);
usize = sa2u(sizeof(ckhc_t) << lg_curcells, CACHELINE);
if (usize == 0)
return;
tab = (ckhc_t *)ipalloc(usize, CACHELINE, true);
@@ -382,7 +382,7 @@ ckh_new(ckh_t *ckh, size_t minitems, ckh_hash_t *hash, ckh_keycomp_t *keycomp)
ckh->hash = hash;
ckh->keycomp = keycomp;
usize = sa2u(sizeof(ckhc_t) << lg_mincells, CACHELINE, NULL);
usize = sa2u(sizeof(ckhc_t) << lg_mincells, CACHELINE);
if (usize == 0) {
ret = true;
goto label_return;