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mm/vmem: fix wrong rotor assignment

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Loïc Grégoire
2026-05-14 09:09:48 -04:00
parent 86caeafc77
commit a3a9258158
1 changed files with 4 additions and 4 deletions
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src/mm/vmem.zig
+4 -4
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@@ -309,13 +309,13 @@ pub const Arena = struct {
if (next_entry != &self.list.head) { if (next_entry != &self.list.head) {
const next_seg: *Segment = @fieldParentPtr("link", next_entry); const next_seg: *Segment = @fieldParentPtr("link", next_entry);
if (self.rotor == next_seg) self.rotor = seg;
if (next_seg.type == .Free) { if (next_seg.type == .Free) {
// Remove next segment from freelist and segment list, then merge into seg. // Remove next segment from freelist and segment list, then merge into seg.
self.remove_segment_from_freelist(next_seg); self.remove_segment_from_freelist(next_seg);
next_seg.link.remove(); next_seg.link.remove();
seg.size += next_seg.size; seg.size += next_seg.size;
if (self.rotor == next_seg) self.rotor = seg;
self.free_segment(next_seg); self.free_segment(next_seg);
} }
} }
@@ -325,14 +325,14 @@ pub const Arena = struct {
if (prev_entry != &self.list.head) { if (prev_entry != &self.list.head) {
const prev_seg: *Segment = @fieldParentPtr("link", prev_entry); const prev_seg: *Segment = @fieldParentPtr("link", prev_entry);
if (self.rotor == prev_seg) self.rotor = seg;
if (prev_seg.type == .Free) { if (prev_seg.type == .Free) {
// Remove previous segment from freelist and segment list, then merge into seg. // Remove previous segment from freelist and segment list, then merge into seg.
self.remove_segment_from_freelist(prev_seg); self.remove_segment_from_freelist(prev_seg);
prev_seg.link.remove(); prev_seg.link.remove();
seg.base = prev_seg.base; seg.base = prev_seg.base;
seg.size += prev_seg.size; seg.size += prev_seg.size;
if (self.rotor == prev_seg) self.rotor = seg;
self.free_segment(prev_seg); self.free_segment(prev_seg);
} }
} }