diff options
| author | Raghuram Subramani <raghus2247@gmail.com> | 2025-01-08 13:30:03 -0500 |
|---|---|---|
| committer | Raghuram Subramani <raghus2247@gmail.com> | 2025-01-08 13:30:03 -0500 |
| commit | 0f68b58faab284b60cfc761b4cc3655a208be350 (patch) | |
| tree | fdacacff1aced769d3edbbf96bec1fe3c2ecd0c1 /kernel/mm/physical_mm/physical_mm.c | |
| parent | 843c0f75b92d2471315f160d2ad62284bec11378 (diff) | |
kernel: mm: physical: Fix bug with inverted test_bit() return value
Diffstat (limited to 'kernel/mm/physical_mm/physical_mm.c')
| -rw-r--r-- | kernel/mm/physical_mm/physical_mm.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/kernel/mm/physical_mm/physical_mm.c b/kernel/mm/physical_mm/physical_mm.c index f971623..a368680 100644 --- a/kernel/mm/physical_mm/physical_mm.c +++ b/kernel/mm/physical_mm/physical_mm.c @@ -115,8 +115,8 @@ physical_mm_init(void) } /* Returns: - * True if the bit is unset (block isn't in use) - * False if the bit is set (block is in use) + * True if the bit is set (block is in use) + * False if the bit is unset (block isn't in use) */ ALWAYS_INLINE static bool physical_mm_test_bit(const uint32_t bit) @@ -134,7 +134,7 @@ physical_mm_find_first_free_block(void) if (memory_map[i] != 0xffffffff) /* Test each bit to see if it's zero */ for (uint32_t j = 0; j < BITMAP_ENTRY_SIZE; j++) - if (physical_mm_test_bit(i * BITMAP_ENTRY_SIZE + j)) + if (!physical_mm_test_bit(i * BITMAP_ENTRY_SIZE + j)) return i * BITMAP_ENTRY_SIZE + j; /* Shouldn't be reached, since we're keeping track of the number of free |