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authorMark Brown <broonie@opensource.wolfsonmicro.com>2013-02-14 20:13:19 +0400
committerMark Brown <broonie@opensource.wolfsonmicro.com>2013-02-14 20:13:19 +0400
commitf2e5d078f7f02d4289db31f5f63e23e39914075e (patch)
treec739a3e70846284ae2ce3d98cecc2be1ffebe2e2 /arch/powerpc/mm/fault.c
parentc66a566afbe6e2c94b1ae70f70cc1e3d4c73639b (diff)
parent836dc9e3fbbab0c30aa6e664417225f5c1fb1c39 (diff)
downloadlinux-f2e5d078f7f02d4289db31f5f63e23e39914075e.tar.xz
Merge tag 'v3.8-rc7' into regulator-core
Linux 3.8-rc7
Diffstat (limited to 'arch/powerpc/mm/fault.c')
-rw-r--r--arch/powerpc/mm/fault.c27
1 files changed, 12 insertions, 15 deletions
diff --git a/arch/powerpc/mm/fault.c b/arch/powerpc/mm/fault.c
index 0a6b28336eb0..3a8489a354e9 100644
--- a/arch/powerpc/mm/fault.c
+++ b/arch/powerpc/mm/fault.c
@@ -113,19 +113,6 @@ static int store_updates_sp(struct pt_regs *regs)
#define MM_FAULT_CONTINUE -1
#define MM_FAULT_ERR(sig) (sig)
-static int out_of_memory(struct pt_regs *regs)
-{
- /*
- * We ran out of memory, or some other thing happened to us that made
- * us unable to handle the page fault gracefully.
- */
- up_read(&current->mm->mmap_sem);
- if (!user_mode(regs))
- return MM_FAULT_ERR(SIGKILL);
- pagefault_out_of_memory();
- return MM_FAULT_RETURN;
-}
-
static int do_sigbus(struct pt_regs *regs, unsigned long address)
{
siginfo_t info;
@@ -169,8 +156,18 @@ static int mm_fault_error(struct pt_regs *regs, unsigned long addr, int fault)
return MM_FAULT_CONTINUE;
/* Out of memory */
- if (fault & VM_FAULT_OOM)
- return out_of_memory(regs);
+ if (fault & VM_FAULT_OOM) {
+ up_read(&current->mm->mmap_sem);
+
+ /*
+ * We ran out of memory, or some other thing happened to us that
+ * made us unable to handle the page fault gracefully.
+ */
+ if (!user_mode(regs))
+ return MM_FAULT_ERR(SIGKILL);
+ pagefault_out_of_memory();
+ return MM_FAULT_RETURN;
+ }
/* Bus error. x86 handles HWPOISON here, we'll add this if/when
* we support the feature in HW