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author | Takashi Iwai <tiwai@suse.de> | 2009-01-15 18:27:20 +0100 |
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committer | Takashi Iwai <tiwai@suse.de> | 2009-01-15 18:27:20 +0100 |
commit | c0106d72b8d71696dbe9dc80e2c77d4ac63f7531 (patch) | |
tree | ca96d2baecb0555e36219ed6968dc8e306e530ca /arch/x86/mm/fault.c | |
parent | 5852973c129cf7c7e6c229abb7250673fc2a50c9 (diff) | |
parent | eff317d0834ad1ff03f747f6bc2d76b9a9c95160 (diff) | |
download | kernel-crypto-c0106d72b8d71696dbe9dc80e2c77d4ac63f7531.tar.gz kernel-crypto-c0106d72b8d71696dbe9dc80e2c77d4ac63f7531.tar.xz kernel-crypto-c0106d72b8d71696dbe9dc80e2c77d4ac63f7531.zip |
Merge branch 'topic/asoc' into next/asoc
Diffstat (limited to 'arch/x86/mm/fault.c')
-rw-r--r-- | arch/x86/mm/fault.c | 26 |
1 files changed, 7 insertions, 19 deletions
diff --git a/arch/x86/mm/fault.c b/arch/x86/mm/fault.c index 57ec8c86a87..90dfae511a4 100644 --- a/arch/x86/mm/fault.c +++ b/arch/x86/mm/fault.c @@ -534,7 +534,7 @@ static int vmalloc_fault(unsigned long address) happen within a race in page table update. In the later case just flush. */ - pgd = pgd_offset(current->mm ?: &init_mm, address); + pgd = pgd_offset(current->active_mm, address); pgd_ref = pgd_offset_k(address); if (pgd_none(*pgd_ref)) return -1; @@ -667,7 +667,6 @@ void __kprobes do_page_fault(struct pt_regs *regs, unsigned long error_code) if (unlikely(in_atomic() || !mm)) goto bad_area_nosemaphore; -again: /* * When running in the kernel we expect faults to occur only to * addresses in user space. All other faults represent errors in the @@ -859,25 +858,14 @@ no_context: oops_end(flags, regs, sig); #endif -/* - * 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: + /* + * 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). + */ up_read(&mm->mmap_sem); - if (is_global_init(tsk)) { - yield(); - /* - * Re-lookup the vma - in theory the vma tree might - * have changed: - */ - goto again; - } - - printk("VM: killing process %s\n", tsk->comm); - if (error_code & PF_USER) - do_group_exit(SIGKILL); - goto no_context; + pagefault_out_of_memory(); + return; do_sigbus: up_read(&mm->mmap_sem); |