tor-browser

commit 6a788c4a95dffaa2eacad36c81398991bd5a5e0c
parent d18227084c2cbe64d7e6b0aa6076c38402f8e47c
Author: Brad Werth <werth@efn.org>
Date:   Thu, 13 Nov 2025 00:43:16 +0000

Bug 1985327 Part 3: Make Linux process kill heuristic handle PROCESS_PRIORITY_FOREGROUND_HIGH. r=aosmond

Differential Revision: https://phabricator.services.mozilla.com/D272301

Diffstat:
M
hal/linux/LinuxProcessPriority.cpp
 | 
12
++++++++----

1 file changed, 8 insertions(+), 4 deletions(-)
diff --git a/hal/linux/LinuxProcessPriority.cpp b/hal/linux/LinuxProcessPriority.cpp
@@ -25,7 +25,8 @@ namespace mozilla::hal_impl {
  * 2. background processes
  * 3. background processes playing video (but no audio)
  * 4. foreground processes or processes playing or recording audio
- * 5. the parent process
+ * 5. gpu process or anything else high priority
+ * 6. the parent process
  *
  * At the time of writing (2022) the base score for a process consuming very
  * little memory seems to be around ~667. Our adjustments are thus designed
@@ -33,9 +34,10 @@ namespace mozilla::hal_impl {
  * close to the 1000 limit where they would be clamped. */
 
 const uint32_t kParentOomScoreAdjust = 0;
-const uint32_t kForegroundOomScoreAdjust = 100;
-const uint32_t kBackgroundPerceivableOomScoreAdjust = 133;
-const uint32_t kBackgroundOomScoreAdjust = 167;
+const uint32_t kForegroundHighOomScoreAdjust = 100;
+const uint32_t kForegroundOomScoreAdjust = 133;
+const uint32_t kBackgroundPerceivableOomScoreAdjust = 167;
+const uint32_t kBackgroundOomScoreAdjust = 200;
 const uint32_t kPreallocOomScoreAdjust = 233;
 
 static uint32_t OomScoreAdjForPriority(ProcessPriority aPriority) {
@@ -48,6 +50,8 @@ static uint32_t OomScoreAdjForPriority(ProcessPriority aPriority) {
       return kPreallocOomScoreAdjust;
     case PROCESS_PRIORITY_FOREGROUND:
       return kForegroundOomScoreAdjust;
+    case PROCESS_PRIORITY_FOREGROUND_HIGH:
+      return kForegroundHighOomScoreAdjust;
     default:
       return kParentOomScoreAdjust;
   }