diff options
Diffstat (limited to 'src/slab.c')
| -rw-r--r-- | src/slab.c | 34 |
1 files changed, 17 insertions, 17 deletions
diff --git a/src/slab.c b/src/slab.c index d1093a7a93..14a2c784b5 100644 --- a/src/slab.c +++ b/src/slab.c @@ -222,8 +222,8 @@ static int zone_page_cnt; #define PAGE_TYPE_LARGE 0x02 struct memusage { - rt_uint32_t type:2 ; /* page type */ - rt_uint32_t size:30; /* pages allocated or offset from zone */ + rt_uint32_t type: 2 ; /* page type */ + rt_uint32_t size: 30; /* pages allocated or offset from zone */ }; static struct memusage *memusage = RT_NULL; #define btokup(addr) \ @@ -238,7 +238,7 @@ struct rt_page_head rt_size_t page; /* number of page */ /* dummy */ - char dummy[RT_MM_PAGE_SIZE - (sizeof(struct rt_page_head*) + sizeof (rt_size_t))]; + char dummy[RT_MM_PAGE_SIZE - (sizeof(struct rt_page_head *) + sizeof(rt_size_t))]; }; static struct rt_page_head *rt_page_list; static struct rt_semaphore heap_sem; @@ -248,7 +248,7 @@ void *rt_page_alloc(rt_size_t npages) struct rt_page_head *b, *n; struct rt_page_head **prev; - if(npages == 0) + if (npages == 0) return RT_NULL; /* lock heap */ @@ -383,7 +383,7 @@ void rt_system_heap_init(void *begin_addr, void *end_addr) /* calculate zone size */ zone_size = ZALLOC_MIN_ZONE_SIZE; - while (zone_size < ZALLOC_MAX_ZONE_SIZE && (zone_size << 1) < (limsize/1024)) + while (zone_size < ZALLOC_MAX_ZONE_SIZE && (zone_size << 1) < (limsize / 1024)) zone_size <<= 1; zone_limit = zone_size / 4; @@ -398,7 +398,7 @@ void rt_system_heap_init(void *begin_addr, void *end_addr) /* allocate memusage array */ limsize = npages * sizeof(struct memusage); limsize = RT_ALIGN(limsize, RT_MM_PAGE_SIZE); - memusage = rt_page_alloc(limsize/RT_MM_PAGE_SIZE); + memusage = rt_page_alloc(limsize / RT_MM_PAGE_SIZE); RT_DEBUG_LOG(RT_DEBUG_SLAB, ("memusage 0x%x, size 0x%x\n", (rt_uint32_t)memusage, limsize)); @@ -411,20 +411,20 @@ void rt_system_heap_init(void *begin_addr, void *end_addr) rt_inline int zoneindex(rt_uint32_t *bytes) { /* unsigned for shift opt */ - rt_uint32_t n = (rt_uint32_t)*bytes; + rt_uint32_t n = (rt_uint32_t) * bytes; if (n < 128) { *bytes = n = (n + 7) & ~7; /* 8 byte chunks, 16 zones */ - return(n / 8 - 1); + return (n / 8 - 1); } if (n < 256) { *bytes = n = (n + 15) & ~15; - return(n / 16 + 7); + return (n / 16 + 7); } if (n < 8192) { @@ -432,35 +432,35 @@ rt_inline int zoneindex(rt_uint32_t *bytes) { *bytes = n = (n + 31) & ~31; - return(n / 32 + 15); + return (n / 32 + 15); } if (n < 1024) { *bytes = n = (n + 63) & ~63; - return(n / 64 + 23); + return (n / 64 + 23); } if (n < 2048) { *bytes = n = (n + 127) & ~127; - return(n / 128 + 31); + return (n / 128 + 31); } if (n < 4096) { *bytes = n = (n + 255) & ~255; - return(n / 256 + 39); + return (n / 256 + 39); } *bytes = n = (n + 511) & ~511; - return(n / 512 + 47); + return (n / 512 + 47); } if (n < 16384) { *bytes = n = (n + 1023) & ~1023; - return(n / 1024 + 55); + return (n / 1024 + 55); } rt_kprintf("Unexpected byte count %d", n); @@ -737,7 +737,7 @@ void *rt_realloc(void *ptr, rt_size_t size) zoneindex(&size); if (z->z_chunksize == size) - return(ptr); /* same chunk */ + return (ptr); /* same chunk */ /* * Allocate memory for the new request size. Note that zoneindex has @@ -803,7 +803,7 @@ void rt_free(void *ptr) RT_OBJECT_HOOK_CALL(rt_free_hook, (ptr)); #ifdef RT_USING_MODULE - if(rt_module_self() != RT_NULL) + if (rt_module_self() != RT_NULL) { rt_module_free(rt_module_self(), ptr); |