X-Git-Url: https://scm.lunaixsky.com/lunaix-os.git/blobdiff_plain/af8e873ae38b72a56a89485c62bb5ccd22a9f8a7..270869139db617e29a35bb9ded41087bb702f9ac:/lunaix-os/kernel/mm/valloc.c diff --git a/lunaix-os/kernel/mm/valloc.c b/lunaix-os/kernel/mm/valloc.c index a744ed1..67c8eac 100644 --- a/lunaix-os/kernel/mm/valloc.c +++ b/lunaix-os/kernel/mm/valloc.c @@ -5,13 +5,15 @@ #define CLASS_LEN(class) (sizeof(class) / sizeof(class[0])) -static char piles_names[][PILE_NAME_MAXLEN] = { +static char piles_names[][PILE_NAME_MAXLEN] = +{ "valloc_8", "valloc_16", "valloc_32", "valloc_64", "valloc_128", "valloc_256", "valloc_512", "valloc_1k", - "valloc_2k", "valloc_4k", "valloc_8k" + "valloc_2k", "valloc_4k", "valloc_8k" }; -static char piles_names_dma[][PILE_NAME_MAXLEN] = { +static char piles_names_dma[][PILE_NAME_MAXLEN] = +{ "valloc_dma_128", "valloc_dma_256", "valloc_dma_512", "valloc_dma_1k", "valloc_dma_2k", "valloc_dma_4k" }; @@ -31,7 +33,7 @@ valloc_init() for (size_t i = 0; i < CLASS_LEN(piles_names_dma); i++) { int size = 1 << (i + 7); piles_dma[i] = cake_new_pile( - piles_names_dma[i], size, size > 1024 ? 4 : 1, PILE_CACHELINE); + piles_names_dma[i], size, size > 1024 ? 4 : 1, PILE_ALIGN_CACHE); } } @@ -41,12 +43,12 @@ __valloc(unsigned int size, size_t len, size_t boffset) { - size_t i = ILOG2(size); + size_t i = ilog2(size); i += (size - (1 << i) != 0); i -= boffset; if (i >= len) - return NULL; + i = 0; return cake_grab(segregate_list[i]); } @@ -80,7 +82,7 @@ void* vcalloc(unsigned int size, unsigned int count) { unsigned int alloc_size; - if (__builtin_umul_overflow(size, count, &alloc_size)) { + if (umul_of(size, count, &alloc_size)) { return 0; } @@ -95,6 +97,16 @@ vfree(void* ptr) __vfree(ptr, piles, CLASS_LEN(piles_names)); } +void +vfree_safe(void* ptr) +{ + if (!ptr) { + return; + } + + __vfree(ptr, piles, CLASS_LEN(piles_names)); +} + void* valloc_dma(unsigned int size) { @@ -113,4 +125,9 @@ void vfree_dma(void* ptr) { __vfree(ptr, piles_dma, CLASS_LEN(piles_names_dma)); +} + +inline void must_inline +valloc_ensure_valid(void* ptr) { + cake_ensure_valid(ptr); } \ No newline at end of file