github/open-cas-linux
4
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Allocator structures cacheline alignment

Browse Source 
Align atomic fields to a different cacheline, so no false sharing between
CPUs occur.

Signed-off-by: Kozlowski Mateusz <mateusz.kozlowski@intel.com>
This commit is contained in:
Kozlowski Mateusz
2021-03-12 15:28:57 +01:00
parent 94dc9048c7
commit c751974ae0
2 changed files with 13 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
modules/cas_cache/ocf_env.c
View File

@@ -14,16 +14,16 @@ struct _env_allocator {
/*!< Memory pool ID unique name */
char *name;
/*!< Size of specific item of memory pool */
uint32_t item_size;
/*!< OS handle to memory pool */
struct kmem_cache *kmem_cache;
/*!< Number of currently allocated items in pool */
atomic_t count;
struct cas_reserve_pool *rpool;
/*!< Size of specific item of memory pool */
uint32_t item_size;
/*!< Number of currently allocated items in pool */
atomic_t count __attribute__((aligned(64)));
};
static inline size_t env_allocator_align(size_t size)