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MIPS: Port "mm: invoke oom-killer from page fault" from UML / x86

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Original commit 1c0fe6e3bd.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Ralf Baechle 2009-01-12 00:09:13 +00:00
parent a8ca8b64e3
commit c7c1e3846b
1 changed files with 6 additions and 15 deletions
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21
arch/mips/mm/fault.c
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@ -97,7 +97,6 @@ good_area:
goto bad_area;
}
survive:
/*
* If for any reason at all we couldn't handle the fault,
* make sure we exit gracefully rather than endlessly redo
@ -167,21 +166,13 @@ no_context:
field, regs->regs[31]);
die("Oops", regs);
/*
* We ran out of memory, or some other thing happened to us that made
* us unable to handle the page fault gracefully.
*/
out_of_memory:
up_read(&mm->mmap_sem);
if (is_global_init(tsk)) {
yield();
down_read(&mm->mmap_sem);
goto survive;
}
printk("VM: killing process %s\n", tsk->comm);
if (user_mode(regs))
do_group_exit(SIGKILL);
goto no_context;
/*
* We ran out of memory, call the OOM killer, and return the userspace
* (which will retry the fault, or kill us if we got oom-killed).
*/
pagefault_out_of_memory();
return;
do_sigbus:
up_read(&mm->mmap_sem);