Merge branch 'akpm' (Andrew's patch-bomb)

Merge Andrew's remaining patches for 3.5:
 "Nine fixes"

* Merge emailed patches from Andrew Morton <akpm@linux-foundation.org>: (9 commits)
  mm: fix lost kswapd wakeup in kswapd_stop()
  m32r: make memset() global for CONFIG_KERNEL_BZIP2=y
  m32r: add memcpy() for CONFIG_KERNEL_GZIP=y
  m32r: consistently use "suffix-$(...)"
  m32r: fix 'fix breakage from "m32r: use generic ptrace_resume code"' fallout
  m32r: fix pull clearing RESTORE_SIGMASK into block_sigmask() fallout
  m32r: remove duplicate definition of PTRACE_O_TRACESYSGOOD
  mn10300: fix "pull clearing RESTORE_SIGMASK into block_sigmask()" fallout
  bootmem: make ___alloc_bootmem_node_nopanic() really nopanic

8 files changed, 29 insertions, 15 deletions

diff --git a/arch/m32r/boot/compressed/Makefile b/arch/m32r/boot/compressed/Makefile
index 177716b1d61354..01729c2979ba26 100644
--- a/arch/m32r/boot/compressed/Makefile
+++ b/arch/m32r/boot/compressed/Makefile
@@ -43,9 +43,9 @@ endif
 
 OBJCOPYFLAGS += -R .empty_zero_page
 
-suffix_$(CONFIG_KERNEL_GZIP)	= gz
-suffix_$(CONFIG_KERNEL_BZIP2)	= bz2
-suffix_$(CONFIG_KERNEL_LZMA)	= lzma
+suffix-$(CONFIG_KERNEL_GZIP)	= gz
+suffix-$(CONFIG_KERNEL_BZIP2)	= bz2
+suffix-$(CONFIG_KERNEL_LZMA)	= lzma
 
 $(obj)/piggy.o: $(obj)/vmlinux.scr $(obj)/vmlinux.bin.$(suffix-y) FORCE
 	$(call if_changed,ld)
diff --git a/arch/m32r/boot/compressed/misc.c b/arch/m32r/boot/compressed/misc.c
index 370d60881977db..28a09529f20691 100644
--- a/arch/m32r/boot/compressed/misc.c
+++ b/arch/m32r/boot/compressed/misc.c
@@ -28,7 +28,7 @@ static unsigned long free_mem_ptr;
 static unsigned long free_mem_end_ptr;
 
 #ifdef CONFIG_KERNEL_BZIP2
-static void *memset(void *s, int c, size_t n)
+void *memset(void *s, int c, size_t n)
 {
 	char *ss = s;
 
@@ -39,6 +39,16 @@ static void *memset(void *s, int c, size_t n)
 #endif
 
 #ifdef CONFIG_KERNEL_GZIP
+void *memcpy(void *dest, const void *src, size_t n)
+{
+	char *d = dest;
+	const char *s = src;
+	while (n--)
+		*d++ = *s++;
+
+	return dest;
+}
+
 #define BOOT_HEAP_SIZE             0x10000
 #include "../../../../lib/decompress_inflate.c"
 #endif
diff --git a/arch/m32r/include/asm/ptrace.h b/arch/m32r/include/asm/ptrace.h
index 527527584dd096..4313aa62b51b76 100644
--- a/arch/m32r/include/asm/ptrace.h
+++ b/arch/m32r/include/asm/ptrace.h
@@ -113,9 +113,6 @@ struct pt_regs {
 
 #define PTRACE_OLDSETOPTIONS	21
 
-/* options set using PTRACE_SETOPTIONS */
-#define PTRACE_O_TRACESYSGOOD	0x00000001
-
 #ifdef __KERNEL__
 
 #include <asm/m32r.h>		/* M32R_PSW_BSM, M32R_PSW_BPM */
diff --git a/arch/m32r/kernel/ptrace.c b/arch/m32r/kernel/ptrace.c
index 4c03361537aa6b..51f5e9aa49016f 100644
--- a/arch/m32r/kernel/ptrace.c
+++ b/arch/m32r/kernel/ptrace.c
@@ -591,17 +591,16 @@ void user_enable_single_step(struct task_struct *child)
 
 	if (access_process_vm(child, pc&~3, &insn, sizeof(insn), 0)
 	    != sizeof(insn))
-		return -EIO;
+		return;
 
 	compute_next_pc(insn, pc, &next_pc, child);
 	if (next_pc & 0x80000000)
-		return -EIO;
+		return;
 
 	if (embed_debug_trap(child, next_pc))
-		return -EIO;
+		return;
 
 	invalidate_cache();
-	return 0;
 }
 
 void user_disable_single_step(struct task_struct *child)
diff --git a/arch/m32r/kernel/signal.c b/arch/m32r/kernel/signal.c
index f3fb2c029cfcab..d0f60b97bbc5d8 100644
--- a/arch/m32r/kernel/signal.c
+++ b/arch/m32r/kernel/signal.c
@@ -286,7 +286,7 @@ handle_signal(unsigned long sig, struct k_sigaction *ka, siginfo_t *info,
 			case -ERESTARTNOINTR:
 				regs->r0 = regs->orig_r0;
 				if (prev_insn(regs) < 0)
-					return -EFAULT;
+					return;
 		}
 	}
 
diff --git a/arch/mn10300/kernel/signal.c b/arch/mn10300/kernel/signal.c
index 6ab0bee2a54fd3..4d584ae29ae1c1 100644
--- a/arch/mn10300/kernel/signal.c
+++ b/arch/mn10300/kernel/signal.c
@@ -459,10 +459,11 @@ static int handle_signal(int sig,
 	else
 		ret = setup_frame(sig, ka, oldset, regs);
 	if (ret)
-		return;
+		return ret;
 
 	signal_delivered(sig, info, ka, regs,
-				 test_thread_flag(TIF_SINGLESTEP));
+			 test_thread_flag(TIF_SINGLESTEP));
+	return 0;
 }
 
 /*
diff --git a/mm/bootmem.c b/mm/bootmem.c
index 73096630cb35ac..bcb63ac48cc5e0 100644
--- a/mm/bootmem.c
+++ b/mm/bootmem.c
@@ -710,6 +710,10 @@ again:
 	if (ptr)
 		return ptr;
 
+	/* do not panic in alloc_bootmem_bdata() */
+	if (limit && goal + size > limit)
+		limit = 0;
+
 	ptr = alloc_bootmem_bdata(pgdat->bdata, size, align, goal, limit);
 	if (ptr)
 		return ptr;
diff --git a/mm/vmscan.c b/mm/vmscan.c
index 661576324c7f52..66e431060c0561 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -2688,7 +2688,10 @@ static void kswapd_try_to_sleep(pg_data_t *pgdat, int order, int classzone_idx)
 		 * them before going back to sleep.
 		 */
 		set_pgdat_percpu_threshold(pgdat, calculate_normal_threshold);
-		schedule();
+
+		if (!kthread_should_stop())
+			schedule();
+
 		set_pgdat_percpu_threshold(pgdat, calculate_pressure_threshold);
 	} else {
 		if (remaining)