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authorStephen Rothwell <sfr@canb.auug.org.au>2007-10-02 07:37:53 +0400
committerPaul Mackerras <paulus@samba.org>2007-10-03 05:48:44 +0400
commit5669c3cf19fbadaa9120b59914beec8431277efe (patch)
tree463ead47019486cdbde965ce1ef17045b32ca73f /arch/powerpc/lib/alloc.c
parent88de3cab98ff6c794b840969427e61605d0cc1ea (diff)
downloadlinux-5669c3cf19fbadaa9120b59914beec8431277efe.tar.xz
[POWERPC] Limit range of __init_ref_ok somewhat
This patch introduces zalloc_maybe_bootmem and uses it so that we don't have to mark a whole (largish) routine as __init_ref_ok. Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'arch/powerpc/lib/alloc.c')
-rw-r--r--arch/powerpc/lib/alloc.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/arch/powerpc/lib/alloc.c b/arch/powerpc/lib/alloc.c
index e58c80590ebc..f53e09c7dac7 100644
--- a/arch/powerpc/lib/alloc.c
+++ b/arch/powerpc/lib/alloc.c
@@ -2,6 +2,7 @@
#include <linux/init.h>
#include <linux/slab.h>
#include <linux/bootmem.h>
+#include <linux/string.h>
#include <asm/system.h>
@@ -12,3 +13,17 @@ void * __init_refok alloc_maybe_bootmem(size_t size, gfp_t mask)
else
return alloc_bootmem(size);
}
+
+void * __init_refok zalloc_maybe_bootmem(size_t size, gfp_t mask)
+{
+ void *p;
+
+ if (mem_init_done)
+ p = kzalloc(size, mask);
+ else {
+ p = alloc_bootmem(size);
+ if (p)
+ memset(p, 0, size);
+ }
+ return p;
+}