diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/lmb.c | 11 |
1 files changed, 4 insertions, 7 deletions
@@ -131,6 +131,9 @@ static long lmb_add_region(struct lmb_region *rgn, phys_addr_t base, phys_size_t rgn->region[i].size += size; coalesced++; break; + } else if (lmb_addrs_overlap(base, size, rgnbase, rgnsize)) { + /* regions overlap */ + return -1; } } @@ -269,11 +272,6 @@ static phys_addr_t lmb_align_down(phys_addr_t addr, phys_size_t size) return addr & ~(size - 1); } -static phys_addr_t lmb_align_up(phys_addr_t addr, ulong size) -{ - return (addr + (size - 1)) & ~(size - 1); -} - phys_addr_t __lmb_alloc_base(struct lmb *lmb, phys_size_t size, ulong align, phys_addr_t max_addr) { long i, j; @@ -302,8 +300,7 @@ phys_addr_t __lmb_alloc_base(struct lmb *lmb, phys_size_t size, ulong align, phy if (j < 0) { /* This area isn't reserved, take it */ if (lmb_add_region(&lmb->reserved, base, - lmb_align_up(size, - align)) < 0) + size) < 0) return 0; return base; } |