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lmkd: Use std::array<> and remove the ARRAY_SIZE() definition am: 545067957c am: f9489027a1 am: 350a02e15d am: a02c2dc079 

Original change: https://android-review.googlesource.com/c/platform/system/memory/lmkd/+/1972104

Change-Id: Idac0ba80ee2e729a66810191c718a445c29dc9b0
This commit is contained in:
Bart Van Assche 2022-02-23 20:21:49 +00:00 committed by Automerger Merge Worker
parent cd68af3c9f a02c2dc079
commit 7ba01bd357
1 changed files with 7 additions and 5 deletions
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12
lmkd.cpp
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@ -35,6 +35,7 @@
#include <unistd.h> #include <unistd.h>
#include <algorithm> #include <algorithm>
#include <array>
#include <shared_mutex> #include <shared_mutex>
#include <cutils/properties.h> #include <cutils/properties.h>
@ -104,7 +105,6 @@ static inline void trace_kill_end() {}
#define INKERNEL_MINFREE_PATH "/sys/module/lowmemorykiller/parameters/minfree" #define INKERNEL_MINFREE_PATH "/sys/module/lowmemorykiller/parameters/minfree"
#define INKERNEL_ADJ_PATH "/sys/module/lowmemorykiller/parameters/adj" #define INKERNEL_ADJ_PATH "/sys/module/lowmemorykiller/parameters/adj"
#define ARRAY_SIZE(x) (sizeof(x) / sizeof(*(x)))
#define EIGHT_MEGA (1 << 23) #define EIGHT_MEGA (1 << 23)
#define TARGET_UPDATE_MIN_INTERVAL_MS 1000 #define TARGET_UPDATE_MIN_INTERVAL_MS 1000
@ -287,8 +287,8 @@ static int maxevents;
#define OOM_SCORE_ADJ_MIN (-1000) #define OOM_SCORE_ADJ_MIN (-1000)
#define OOM_SCORE_ADJ_MAX 1000 #define OOM_SCORE_ADJ_MAX 1000
static int lowmem_adj[MAX_TARGETS]; static std::array<int, MAX_TARGETS> lowmem_adj;
static int lowmem_minfree[MAX_TARGETS]; static std::array<int, MAX_TARGETS> lowmem_minfree;
static int lowmem_targets_size; static int lowmem_targets_size;
/* Fields to parse in /proc/zoneinfo */ /* Fields to parse in /proc/zoneinfo */
@ -1376,8 +1376,9 @@ static void cmd_target(int ntargets, LMKD_CTRL_PACKET packet) {
static struct timespec last_req_tm; static struct timespec last_req_tm;
struct timespec curr_tm; struct timespec curr_tm;
if (ntargets < 1 || ntargets > (int)ARRAY_SIZE(lowmem_adj)) if (ntargets < 1 || ntargets > (int)lowmem_adj.size()) {
return; return;
}
/* /*
* Ratelimit minfree updates to once per TARGET_UPDATE_MIN_INTERVAL_MS * Ratelimit minfree updates to once per TARGET_UPDATE_MIN_INTERVAL_MS
@ -1469,8 +1470,9 @@ static void ctrl_command_handler(int dsock_idx) {
switch(cmd) { switch(cmd) {
case LMK_TARGET: case LMK_TARGET:
targets = nargs / 2; targets = nargs / 2;
if (nargs & 0x1 || targets > (int)ARRAY_SIZE(lowmem_adj)) if (nargs & 0x1 || targets > (int)lowmem_adj.size()) {
goto wronglen; goto wronglen;
}
cmd_target(targets, packet); cmd_target(targets, packet);
break; break;
case LMK_PROCPRIO: case LMK_PROCPRIO: