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-rw-r--r--virtual-programs/display/image.folk4
1 files changed, 2 insertions, 2 deletions
diff --git a/virtual-programs/display/image.folk b/virtual-programs/display/image.folk
index 28c66a3b..23246d45 100644
--- a/virtual-programs/display/image.folk
+++ b/virtual-programs/display/image.folk
@@ -62,7 +62,7 @@ On process "display" {
proc evict {} {
variable cache
variable CACHE_MAX_SIZE
- set numToEvict [expr {$CACHE_MAX_SIZE - [dict size $cache]}]
+ set numToEvict [expr {([dict size $cache] + 1) - $CACHE_MAX_SIZE}]
set numEvicted [list]
# Evict stale.
dict for {im v} $cache {
@@ -76,7 +76,7 @@ On process "display" {
foreach im $numEvicted { dict unset cache $im }
# Evict old.
dict for {im v} $cache {
- if {$numToEvict - [llength $numEvicted] == 0} {
+ if {$numToEvict - [llength $numEvicted] <= 0} {
break
}
lassign $v gim