While the panicking node-specific allocation function tries to satisfy
node+goal, goal, node, anywhere, the non-panicking function still does
node+goal, goal, anywhere.
Make it simpler: define the panicking version in terms of the
non-panicking one, like the node-agnostic interface, so they always
behave the same way apart from how to deal with allocation failure.
Signed-off-by: Johannes Weiner <hannes@xxxxxxxxxxx>
---
mm/bootmem.c | 44 ++++++++++++++++++++++++--------------------
1 file changed, 24 insertions(+), 20 deletions(-)
diff --git a/mm/bootmem.c b/mm/bootmem.c
index b5babdf..d9185c3 100644
--- a/mm/bootmem.c
+++ b/mm/bootmem.c
@@ -698,7 +698,7 @@ void * __init __alloc_bootmem(unsigned long size, unsigned long align,
return ___alloc_bootmem(size, align, goal, limit);
}
-static void * __init ___alloc_bootmem_node(bootmem_data_t *bdata,
+static void * __init ___alloc_bootmem_node_nopanic(bootmem_data_t *bdata,
unsigned long size, unsigned long align,
unsigned long goal, unsigned long limit)
{
@@ -722,6 +722,29 @@ again:
goto again;
}
+ return NULL;
+}
+
+void * __init __alloc_bootmem_node_nopanic(pg_data_t *pgdat, unsigned long size,
+ unsigned long align, unsigned long goal)
+{
+ if (WARN_ON_ONCE(slab_is_available()))
+ return kzalloc_node(size, GFP_NOWAIT, pgdat->node_id);
+
+ return ___alloc_bootmem_node_nopanic(pgdat->bdata, size,
+ align, goal, 0);
+}
+
+void * __init ___alloc_bootmem_node(bootmem_data_t *bdata, unsigned long size,
+ unsigned long align, unsigned long goal,
+ unsigned long limit)
+{
+ void *ptr;
+
+ ptr = ___alloc_bootmem_node_nopanic(bdata, size, align, goal, 0);
+ if (ptr)
+ return ptr;
+
printk(KERN_ALERT "bootmem alloc of %lu bytes failed!\n", size);
panic("Out of memory");
return NULL;
@@ -802,25 +825,6 @@ void * __init alloc_bootmem_section(unsigned long size,
}
#endif
-void * __init __alloc_bootmem_node_nopanic(pg_data_t *pgdat, unsigned long size,
- unsigned long align, unsigned long goal)
-{
- void *ptr;
-
- if (WARN_ON_ONCE(slab_is_available()))
- return kzalloc_node(size, GFP_NOWAIT, pgdat->node_id);
-
- ptr = alloc_arch_preferred_bootmem(pgdat->bdata, size, align, goal, 0);
- if (ptr)
- return ptr;
-
- ptr = alloc_bootmem_bdata(pgdat->bdata, size, align, goal, 0);
- if (ptr)
- return ptr;
-
- return __alloc_bootmem_nopanic(size, align, goal);
-}
-
#ifndef ARCH_LOW_ADDRESS_LIMIT
#define ARCH_LOW_ADDRESS_LIMIT 0xffffffffUL
#endif
--
1.7.10
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