project-base/server-skynet-source-3rd-jemalloc
2
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Fix dss/mmap allocation precedence code.

Browse Source 
Fix dss/mmap allocation precedence code to use recyclable mmap memory
only after primary dss allocation fails.
This commit is contained in:
Jason Evans
2012-10-16 22:06:56 -07:00
parent 2b592b0f0b
commit 12efefb195
2 changed files with 20 additions and 26 deletions
Download Patch File Download Diff File Expand all files Collapse all files

40
src/chunk.c
View File

@@ -146,40 +146,28 @@ chunk_alloc(size_t size, size_t alignment, bool base, bool *zero,
assert(alignment != 0);
assert((alignment & chunksize_mask) == 0);
/*
* Try to recycle an existing mapping.
*/
/* "primary" dss. */
if (config_dss && dss_prec == dss_prec_primary && (ret =
chunk_recycle(&chunks_szad_dss, &chunks_ad_dss, size, alignment,
base, zero)) != NULL)
goto label_return;
if (config_dss && dss_prec == dss_prec_primary) {
if ((ret = chunk_recycle(&chunks_szad_dss, &chunks_ad_dss, size,
alignment, base, zero)) != NULL)
goto label_return;
if ((ret = chunk_alloc_dss(size, alignment, zero)) != NULL)
goto label_return;
}
/* mmap. */
if ((ret = chunk_recycle(&chunks_szad_mmap, &chunks_ad_mmap, size,
alignment, base, zero)) != NULL)
goto label_return;
/* "secondary" dss. */
if (config_dss && dss_prec == dss_prec_secondary && (ret =
chunk_recycle(&chunks_szad_dss, &chunks_ad_dss, size, alignment,
base, zero)) != NULL)
goto label_return;
/*
* Try to allocate a new mapping.
*/
/* "primary" dss. */
if (config_dss && dss_prec == dss_prec_primary && (ret =
chunk_alloc_dss(size, alignment, zero)) != NULL)
goto label_return;
/* mmap. */
if ((ret = chunk_alloc_mmap(size, alignment, zero)) != NULL)
goto label_return;
/* "secondary" dss. */
if (config_dss && dss_prec == dss_prec_secondary && (ret =
chunk_alloc_dss(size, alignment, zero)) != NULL)
goto label_return;
if (config_dss && dss_prec == dss_prec_secondary) {
if ((ret = chunk_recycle(&chunks_szad_dss, &chunks_ad_dss, size,
alignment, base, zero)) != NULL)
goto label_return;
if ((ret = chunk_alloc_dss(size, alignment, zero)) != NULL)
goto label_return;
}
/* All strategies for allocation failed. */
ret = NULL;