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Merge "sched: Improve the scheduler"

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qctecmdr 2020-04-16 01:40:56 -07:00 • committed by Gerrit - the friendly Code Review server
commit 6f2e87c346
1 changed files with 6 additions and 6 deletions
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12
kernel/sched/core.c
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@ -5631,9 +5631,10 @@ unsigned int sched_lib_mask_force;
bool is_sched_lib_based_app(pid_t pid)
{
const char *name = NULL;
char *lib_list, *libname;
char *libname, *lib_list;
struct vm_area_struct *vma;
char path_buf[LIB_PATH_LENGTH];
char tmp_lib_name[LIB_PATH_LENGTH];
bool found = false;
struct task_struct *p;
struct mm_struct *mm;
@ -5641,14 +5642,11 @@ bool is_sched_lib_based_app(pid_t pid)
if (strnlen(sched_lib_name, LIB_PATH_LENGTH) == 0)
return false;
lib_list = kstrdup(sched_lib_name, GFP_KERNEL);
rcu_read_lock();
p = find_process_by_pid(pid);
if (!p) {
rcu_read_unlock();
kfree(lib_list);
return false;
}
@ -5668,11 +5666,14 @@ bool is_sched_lib_based_app(pid_t pid)
if (IS_ERR(name))
goto release_sem;
strlcpy(tmp_lib_name, sched_lib_name, LIB_PATH_LENGTH);
lib_list = tmp_lib_name;
while ((libname = strsep(&lib_list, ","))) {
libname = skip_spaces(libname);
if (strnstr(name, libname,
strnlen(name, LIB_PATH_LENGTH))) {
found = true;
break;
goto release_sem;
}
}
}
@ -5683,7 +5684,6 @@ release_sem:
mmput(mm);
put_task_struct:
put_task_struct(p);
kfree(lib_list);
return found;
}