diff options
| -rw-r--r-- | lib/lmb.c | 9 | ||||
| -rw-r--r-- | test/lib/lmb.c | 22 |
2 files changed, 21 insertions, 10 deletions
diff --git a/lib/lmb.c b/lib/lmb.c index 14b9b8466ff..3a765c11bee 100644 --- a/lib/lmb.c +++ b/lib/lmb.c @@ -201,15 +201,6 @@ static long lmb_add_region_flags(struct alist *lmb_rgn_lst, phys_addr_t base, phys_addr_t rgnbase = rgn[i].base; phys_size_t rgnsize = rgn[i].size; phys_size_t rgnflags = rgn[i].flags; - phys_addr_t end = base + size - 1; - phys_addr_t rgnend = rgnbase + rgnsize - 1; - if (rgnbase <= base && end <= rgnend) { - if (flags == rgnflags) - /* Already have this region, so we're done */ - return 0; - else - return -1; /* regions with new flags */ - } ret = lmb_addrs_adjacent(base, size, rgnbase, rgnsize); if (ret > 0) { diff --git a/test/lib/lmb.c b/test/lib/lmb.c index c917115b7b6..0bd29e2a4fe 100644 --- a/test/lib/lmb.c +++ b/test/lib/lmb.c @@ -529,6 +529,26 @@ static int test_alloc_addr(struct unit_test_state *uts, const phys_addr_t ram) ret = lmb_add(ram, ram_size); ut_asserteq(ret, 0); + /* Try to allocate a page twice */ + b = lmb_alloc_addr_flags(alloc_addr_a, 0x1000, LMB_NONE); + ut_asserteq(b, alloc_addr_a); + b = lmb_alloc_addr_flags(alloc_addr_a, 0x1000, LMB_NOOVERWRITE); + ut_asserteq(b, 0); + b = lmb_alloc_addr_flags(alloc_addr_a, 0x1000, LMB_NONE); + ut_asserteq(b, alloc_addr_a); + b = lmb_alloc_addr_flags(alloc_addr_a, 0x2000, LMB_NONE); + ut_asserteq(b, alloc_addr_a); + ret = lmb_free(alloc_addr_a, 0x2000); + ut_asserteq(ret, 0); + b = lmb_alloc_addr_flags(alloc_addr_a, 0x1000, LMB_NOOVERWRITE); + ut_asserteq(b, alloc_addr_a); + b = lmb_alloc_addr_flags(alloc_addr_a, 0x1000, LMB_NONE); + ut_asserteq(b, 0); + b = lmb_alloc_addr_flags(alloc_addr_a, 0x1000, LMB_NOOVERWRITE); + ut_asserteq(b, 0); + ret = lmb_free(alloc_addr_a, 0x1000); + ut_asserteq(ret, 0); + /* reserve 3 blocks */ ret = lmb_reserve(alloc_addr_a, 0x10000); ut_asserteq(ret, 0); @@ -734,7 +754,7 @@ static int lib_test_lmb_flags(struct unit_test_state *uts) /* reserve again, same flag */ ret = lmb_reserve_flags(0x40010000, 0x10000, LMB_NOMAP); - ut_asserteq(ret, 0); + ut_asserteq(ret, -1L); ASSERT_LMB(mem_lst, used_lst, ram, ram_size, 1, 0x40010000, 0x10000, 0, 0, 0, 0); |