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authorDavid S. Miller <davem@davemloft.net>2008-03-18 00:37:55 -0700
committerDavid S. Miller <davem@davemloft.net>2008-03-18 00:37:55 -0700
commit577f99c1d08cf9cbdafd4e858dd13ff04d855090 (patch)
tree0f726bbda9b18d311d4c95198bbd96cb7ac01db0 /include/linux/mm.h
parent26c0f03f6b77c513cb7bc37b73a06819bdbb791b (diff)
parent2f633928cbba8a5858bb39b11e7219a41b0fbef5 (diff)
downloadblackbird-op-linux-577f99c1d08cf9cbdafd4e858dd13ff04d855090.tar.gz
blackbird-op-linux-577f99c1d08cf9cbdafd4e858dd13ff04d855090.zip
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts: drivers/net/wireless/rt2x00/rt2x00dev.c net/8021q/vlan_dev.c
Diffstat (limited to 'include/linux/mm.h')
-rw-r--r--include/linux/mm.h13
1 files changed, 10 insertions, 3 deletions
diff --git a/include/linux/mm.h b/include/linux/mm.h
index 3f3ccfe42de0..b695875d63e3 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -235,15 +235,22 @@ static inline int get_page_unless_zero(struct page *page)
struct page *vmalloc_to_page(const void *addr);
unsigned long vmalloc_to_pfn(const void *addr);
-#ifdef CONFIG_MMU
-/* Determine if an address is within the vmalloc range */
+/*
+ * Determine if an address is within the vmalloc range
+ *
+ * On nommu, vmalloc/vfree wrap through kmalloc/kfree directly, so there
+ * is no special casing required.
+ */
static inline int is_vmalloc_addr(const void *x)
{
+#ifdef CONFIG_MMU
unsigned long addr = (unsigned long)x;
return addr >= VMALLOC_START && addr < VMALLOC_END;
-}
+#else
+ return 0;
#endif
+}
static inline struct page *compound_head(struct page *page)
{
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