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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2012-09-05 09:57:19 +0400
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2012-09-05 09:57:19 +0400
commite6c340171f0daaccc95b90abbeed2b837157ee11 (patch)
tree843d4035be59bd791321910e52157ce527b3b4b3 /include/linux/highmem.h
parenta85442ade272121927a56e02f7dfde1127482df2 (diff)
parent4cbe5a555fa58a79b6ecbb6c531b8bab0650778d (diff)
downloadlinux-e6c340171f0daaccc95b90abbeed2b837157ee11.tar.xz
Merge tag 'v3.6-rc4' into next
Linux 3.6-rc4 # gpg: Signature made Sat 01 Sep 2012 10:40:33 AM PDT using RSA key ID 00411886 # gpg: Good signature from "Linus Torvalds <torvalds@linux-foundation.org>"
Diffstat (limited to 'include/linux/highmem.h')
-rw-r--r--include/linux/highmem.h48
1 files changed, 8 insertions, 40 deletions
diff --git a/include/linux/highmem.h b/include/linux/highmem.h
index d3999b4e26cc..ef788b5b4a35 100644
--- a/include/linux/highmem.h
+++ b/include/linux/highmem.h
@@ -39,10 +39,17 @@ extern unsigned long totalhigh_pages;
void kmap_flush_unused(void);
+struct page *kmap_to_page(void *addr);
+
#else /* CONFIG_HIGHMEM */
static inline unsigned int nr_free_highpages(void) { return 0; }
+static inline struct page *kmap_to_page(void *addr)
+{
+ return virt_to_page(addr);
+}
+
#define totalhigh_pages 0UL
#ifndef ARCH_HAS_KMAP
@@ -110,54 +117,15 @@ static inline void kmap_atomic_idx_pop(void)
#endif
/*
- * NOTE:
- * kmap_atomic() and kunmap_atomic() with two arguments are deprecated.
- * We only keep them for backward compatibility, any usage of them
- * are now warned.
- */
-
-#define PASTE(a, b) a ## b
-#define PASTE2(a, b) PASTE(a, b)
-
-#define NARG_(_2, _1, n, ...) n
-#define NARG(...) NARG_(__VA_ARGS__, 2, 1, :)
-
-static inline void __deprecated *kmap_atomic_deprecated(struct page *page,
- enum km_type km)
-{
- return kmap_atomic(page);
-}
-
-#define kmap_atomic1(...) kmap_atomic(__VA_ARGS__)
-#define kmap_atomic2(...) kmap_atomic_deprecated(__VA_ARGS__)
-#define kmap_atomic(...) PASTE2(kmap_atomic, NARG(__VA_ARGS__)(__VA_ARGS__))
-
-static inline void __deprecated __kunmap_atomic_deprecated(void *addr,
- enum km_type km)
-{
- __kunmap_atomic(addr);
-}
-
-/*
* Prevent people trying to call kunmap_atomic() as if it were kunmap()
* kunmap_atomic() should get the return value of kmap_atomic, not the page.
*/
-#define kunmap_atomic_deprecated(addr, km) \
-do { \
- BUILD_BUG_ON(__same_type((addr), struct page *)); \
- __kunmap_atomic_deprecated(addr, km); \
-} while (0)
-
-#define kunmap_atomic_withcheck(addr) \
+#define kunmap_atomic(addr) \
do { \
BUILD_BUG_ON(__same_type((addr), struct page *)); \
__kunmap_atomic(addr); \
} while (0)
-#define kunmap_atomic1(...) kunmap_atomic_withcheck(__VA_ARGS__)
-#define kunmap_atomic2(...) kunmap_atomic_deprecated(__VA_ARGS__)
-#define kunmap_atomic(...) PASTE2(kunmap_atomic, NARG(__VA_ARGS__)(__VA_ARGS__))
-/**** End of C pre-processor tricks for deprecated macros ****/
/* when CONFIG_HIGHMEM is not set these will be plain clear/copy_page */
#ifndef clear_user_highpage