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lmkd: choose the heaviest task when killing perceptible processes am: 858e8c6373 am: c71ce3fed4 

Original change: https://android-review.googlesource.com/c/platform/system/memory/lmkd/+/1619563

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I95dc9527835a28e38feb689ba872ee1101eb5a1a
This commit is contained in:
Suren Baghdasaryan 2021-03-05 19:10:12 +00:00 committed by Automerger Merge Worker
parent 4847bb51f5 c71ce3fed4
commit e1bfcc3cac
1 changed files with 10 additions and 1 deletions
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11
lmkd.cpp
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@ -2163,12 +2163,21 @@ static int find_and_kill_process(int min_score_adj, enum kill_reasons kill_reaso
int i; int i;
int killed_size = 0; int killed_size = 0;
bool lmk_state_change_start = false; bool lmk_state_change_start = false;
bool choose_heaviest_task = kill_heaviest_task;
for (i = OOM_SCORE_ADJ_MAX; i >= min_score_adj; i--) { for (i = OOM_SCORE_ADJ_MAX; i >= min_score_adj; i--) {
struct proc *procp; struct proc *procp;
if (!choose_heaviest_task && i <= PERCEPTIBLE_APP_ADJ) {
/*
* If we have to choose a perceptible process, choose the heaviest one to
* hopefully minimize the number of victims.
*/
choose_heaviest_task = true;
}
while (true) { while (true) {
procp = kill_heaviest_task ? procp = choose_heaviest_task ?
proc_get_heaviest(i) : proc_adj_lru(i); proc_get_heaviest(i) : proc_adj_lru(i);
if (!procp) if (!procp)