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Revert "oom: oom_kill_process: fix the child_points logic"

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This reverts the parent commit.  I hate doing that, but it's generating
some discussion ("half of it is right"), and since I am planning on
doing the 2.6.38 release later today we can punt it to stable if
required. Let's not rock the boat right now.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Linus Torvalds 2011-03-14 15:17:07 -07:00
parent dc1b83ab08
commit 52d3c03675
1 changed files with 3 additions and 8 deletions
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11
mm/oom_kill.c
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@ -458,10 +458,10 @@ static int oom_kill_process(struct task_struct *p, gfp_t gfp_mask, int order,
struct mem_cgroup *mem, nodemask_t *nodemask, struct mem_cgroup *mem, nodemask_t *nodemask,
const char *message) const char *message)
{ {
struct task_struct *victim; struct task_struct *victim = p;
struct task_struct *child; struct task_struct *child;
struct task_struct *t; struct task_struct *t = p;
unsigned int victim_points; unsigned int victim_points = 0;
if (printk_ratelimit()) if (printk_ratelimit())
dump_header(p, gfp_mask, order, mem, nodemask); dump_header(p, gfp_mask, order, mem, nodemask);
@ -487,15 +487,10 @@ static int oom_kill_process(struct task_struct *p, gfp_t gfp_mask, int order,
* parent. This attempts to lose the minimal amount of work done while * parent. This attempts to lose the minimal amount of work done while
* still freeing memory. * still freeing memory.
*/ */
victim_points = oom_badness(p, mem, nodemask, totalpages);
victim = p;
t = p;
do { do {
list_for_each_entry(child, &t->children, sibling) { list_for_each_entry(child, &t->children, sibling) {
unsigned int child_points; unsigned int child_points;
if (child->mm == t->mm)
continue;
/* /*
* oom_badness() returns 0 if the thread is unkillable * oom_badness() returns 0 if the thread is unkillable
*/ */