From 5557ea39c5babee97868e24a4d6a6a5208f81907 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Lo=C3=AFc=20Gr=C3=A9goire?= Date: Sat, 4 Apr 2026 21:32:15 -0400 Subject: [PATCH] fix(mm): fix cursor advance logic --- src/mm/radix_pmap.zig | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/src/mm/radix_pmap.zig b/src/mm/radix_pmap.zig index 95db64a..9d5d1c2 100644 --- a/src/mm/radix_pmap.zig +++ b/src/mm/radix_pmap.zig @@ -206,12 +206,12 @@ pub fn RadixPmap(comptime Impl: type) type { const old_va = self.va; self.va +%= offset; - var level: usize = 0; - while (level < num_levels - 1) : (level += 1) { - const shift = level_shift(level + 1); + var level: usize = num_levels - 1; + while (level > 0) : (level -= 1) { + const shift = level_shift(level); if ((old_va >> shift) != (self.va >> shift)) { - self.top_level = level + 1; - break; + self.top_level = level; + return; } } }