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| author | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2014-11-10 03:32:19 +0100 |
|---|---|---|
| committer | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2014-11-10 03:32:19 +0100 |
| commit | cfafc1a905f11da2b856aecea02b8c7e1f95e5dd (patch) | |
| tree | 3042743b607d790617051c3e27cb97cb437533ee /mach-defpager/kalloc.c | |
| parent | b11e2e666ce3e1a8ad167c82bfc1fc9b820f97f3 (diff) | |
Fix mach-defpager's kalloc values
* mach-defpager/kalloc.c (MINSIZE): Set to sizeof(vm_offset_t) instead
of hardcoded 4.
(kalloc_init): Set kalloc_max to MINSIZE << (KLIST_MAX-1) instead of
hardcoded 16384.
(kalloc, kfree): Use the cache for the maximum size too.
Diffstat (limited to 'mach-defpager/kalloc.c')
| -rw-r--r-- | mach-defpager/kalloc.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/mach-defpager/kalloc.c b/mach-defpager/kalloc.c index 2f8f002e..ef844acc 100644 --- a/mach-defpager/kalloc.c +++ b/mach-defpager/kalloc.c @@ -58,7 +58,7 @@ void (*__MALLOC_HOOK_VOLATILE __malloc_initialize_hook) (void) = init_hook; * next highest power of 2. */ vm_size_t kalloc_max; /* max before we use vm_allocate */ -#define MINSIZE 4 /* minimum allocation size */ +#define MINSIZE sizeof(vm_offset_t) /* minimum allocation size */ struct free_list { pthread_spinlock_t lock; @@ -99,8 +99,8 @@ void kalloc_init(void) * 16Kbytes, whichever is less. */ - if (vm_page_size > 16*1024) - kalloc_max = 16*1024; + if (vm_page_size > (MINSIZE << (KLIST_MAX-1))) + kalloc_max = (MINSIZE << (KLIST_MAX-1)); else kalloc_max = vm_page_size; @@ -197,7 +197,7 @@ void *kalloc(vm_size_t size) /* compute the size of the block that we will actually allocate */ allocsize = size; - if (size < kalloc_max) { + if (size <= kalloc_max) { allocsize = MINSIZE; fl = kfree_list; while (allocsize < size) { @@ -211,7 +211,7 @@ void *kalloc(vm_size_t size) * and allocate. */ - if (allocsize < kalloc_max) { + if (allocsize <= kalloc_max) { pthread_spin_lock(&fl->lock); if ((addr = fl->head) != 0) { fl->head = *(vm_offset_t *)addr; @@ -241,7 +241,7 @@ kfree( void *data, struct free_list *fl; freesize = size; - if (size < kalloc_max) { + if (size <= kalloc_max) { freesize = MINSIZE; fl = kfree_list; while (freesize < size) { @@ -250,7 +250,7 @@ kfree( void *data, } } - if (freesize < kalloc_max) { + if (freesize <= kalloc_max) { pthread_spin_lock(&fl->lock); *(vm_offset_t *)data = fl->head; fl->head = (vm_offset_t) data; |