diff options
Diffstat (limited to 'arch/mips/cavium-octeon/executive/cvmx-bootmem.c')
| -rw-r--r-- | arch/mips/cavium-octeon/executive/cvmx-bootmem.c | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/arch/mips/cavium-octeon/executive/cvmx-bootmem.c b/arch/mips/cavium-octeon/executive/cvmx-bootmem.c index 94d97ebfa036..c2dbf0b8b909 100644 --- a/arch/mips/cavium-octeon/executive/cvmx-bootmem.c +++ b/arch/mips/cavium-octeon/executive/cvmx-bootmem.c @@ -122,8 +122,21 @@ static uint64_t cvmx_bootmem_phy_get_next(uint64_t addr) return cvmx_read64_uint64((addr + NEXT_OFFSET) | (1ull << 63)); } -void *cvmx_bootmem_alloc_range(uint64_t size, uint64_t alignment, - uint64_t min_addr, uint64_t max_addr) +/** + * Allocate a block of memory from the free list that was + * passed to the application by the bootloader within a specified + * address range. This is an allocate-only algorithm, so + * freeing memory is not possible. Allocation will fail if + * memory cannot be allocated in the requested range. + * + * @size: Size in bytes of block to allocate + * @min_addr: defines the minimum address of the range + * @max_addr: defines the maximum address of the range + * @alignment: Alignment required - must be power of 2 + * Returns pointer to block of memory, NULL on error + */ +static void *cvmx_bootmem_alloc_range(uint64_t size, uint64_t alignment, + uint64_t min_addr, uint64_t max_addr) { int64_t address; address = |