mirror of
https://github.com/fluencelabs/redis
synced 2025-03-20 09:30:55 +00:00
54 lines
1.4 KiB
C
54 lines
1.4 KiB
C
#define JEMALLOC_EXTENT_C_
|
|
#include "jemalloc/internal/jemalloc_internal.h"
|
|
|
|
/******************************************************************************/
|
|
|
|
JEMALLOC_INLINE_C size_t
|
|
extent_quantize(size_t size)
|
|
{
|
|
|
|
/*
|
|
* Round down to the nearest chunk size that can actually be requested
|
|
* during normal huge allocation.
|
|
*/
|
|
return (index2size(size2index(size + 1) - 1));
|
|
}
|
|
|
|
JEMALLOC_INLINE_C int
|
|
extent_szad_comp(extent_node_t *a, extent_node_t *b)
|
|
{
|
|
int ret;
|
|
size_t a_qsize = extent_quantize(extent_node_size_get(a));
|
|
size_t b_qsize = extent_quantize(extent_node_size_get(b));
|
|
|
|
/*
|
|
* Compare based on quantized size rather than size, in order to sort
|
|
* equally useful extents only by address.
|
|
*/
|
|
ret = (a_qsize > b_qsize) - (a_qsize < b_qsize);
|
|
if (ret == 0) {
|
|
uintptr_t a_addr = (uintptr_t)extent_node_addr_get(a);
|
|
uintptr_t b_addr = (uintptr_t)extent_node_addr_get(b);
|
|
|
|
ret = (a_addr > b_addr) - (a_addr < b_addr);
|
|
}
|
|
|
|
return (ret);
|
|
}
|
|
|
|
/* Generate red-black tree functions. */
|
|
rb_gen(, extent_tree_szad_, extent_tree_t, extent_node_t, szad_link,
|
|
extent_szad_comp)
|
|
|
|
JEMALLOC_INLINE_C int
|
|
extent_ad_comp(extent_node_t *a, extent_node_t *b)
|
|
{
|
|
uintptr_t a_addr = (uintptr_t)extent_node_addr_get(a);
|
|
uintptr_t b_addr = (uintptr_t)extent_node_addr_get(b);
|
|
|
|
return ((a_addr > b_addr) - (a_addr < b_addr));
|
|
}
|
|
|
|
/* Generate red-black tree functions. */
|
|
rb_gen(, extent_tree_ad_, extent_tree_t, extent_node_t, ad_link, extent_ad_comp)
|