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Add size class computation capability.

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Add size class computation capability, currently used only as validation
of the size class lookup tables.  Generalize the size class spacing used
for bins, for eventual use throughout the full range of allocation
sizes.
This commit is contained in:
Jason Evans 2014-05-28 16:11:55 -07:00
parent 99118622ff
commit d04047cc29
9 changed files with 462 additions and 91 deletions
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4
include/jemalloc/internal/jemalloc_internal.h.in
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@ -475,7 +475,7 @@ s2u(size_t size)
{
if (size <= SMALL_MAXCLASS)
return (small_bin2size(small_size2bin(size)));
return (small_s2u(size));
if (size <= arena_maxclass)
return (PAGE_CEILING(size));
return (CHUNK_CEILING(size));
@ -518,7 +518,7 @@ sa2u(size_t size, size_t alignment)
if (usize <= arena_maxclass && alignment <= PAGE) {
if (usize <= SMALL_MAXCLASS)
return (small_bin2size(small_size2bin(usize)));
return (small_s2u(usize));
return (PAGE_CEILING(usize));
} else {
size_t run_size;