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mm: reap tasks that are killed by prekill

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Reap tasks that are killed by PreKillActionT.

Change-Id: I367e803848121d071d8143952eaa9b7195ae04d6
Signed-off-by: Srinivasarao P <spathi@codeaurora.org>
This commit is contained in:
Srinivasarao P 2021-09-22 18:38:34 +05:30
commit fc6b78b376
2 changed files with 3 additions and 1 deletions
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1
include/linux/oom.h
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@ -136,4 +136,5 @@ extern int sysctl_reap_mem_on_sigkill;
extern void add_to_oom_reaper(struct task_struct *p);
extern void check_panic_on_foreground_kill(struct task_struct *p);
#define ULMK_MAGIC "lmkd"
#define PRE_KILL "PreKillActionT"
#endif /* _INCLUDE_LINUX_OOM_H */

3
kernel/signal.c
View file

@ -1416,7 +1416,8 @@ int group_send_sig_info(int sig, struct kernel_siginfo *info,
check_panic_on_foreground_kill(p);
ret = do_send_sig_info(sig, info, p, type);
if (capable(CAP_KILL) && sig == SIGKILL)
if (!strcmp(current->comm, ULMK_MAGIC))
if (!strcmp(current->comm, ULMK_MAGIC) ||
!strcmp(current->comm, PRE_KILL))
add_to_oom_reaper(p);
}