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mm: use macros from compiler.h instead of __attribute__((...))

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To increase compiler portability there is <linux/compiler.h> which
provides convenience macros for various gcc constructs.  Eg: __weak for
__attribute__((weak)).  I've replaced all instances of gcc attributes with
the right macro in the memory management (/mm) subsystem.

[akpm@linux-foundation.org: while-we're-there consistency tweaks]
Signed-off-by: Gideon Israel Dsouza <gidisrael@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Gideon Israel Dsouza 2014-04-07 15:37:26 -07:00 • committed by Linus Torvalds
parent 615d6e8756
commit 3b32123d73
5 changed files with 13 additions and 6 deletions
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5
mm/util.c
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@ -1,6 +1,7 @@
#include <linux/mm.h>
#include <linux/slab.h>
#include <linux/string.h>
#include <linux/compiler.h>
#include <linux/export.h>
#include <linux/err.h>
#include <linux/sched.h>
@ -307,7 +308,7 @@ void arch_pick_mmap_layout(struct mm_struct *mm)
* If the architecture not support this function, simply return with no
* page pinned
*/
int __attribute__((weak)) __get_user_pages_fast(unsigned long start,
int __weak __get_user_pages_fast(unsigned long start,
int nr_pages, int write, struct page **pages)
{
return 0;
@ -338,7 +339,7 @@ EXPORT_SYMBOL_GPL(__get_user_pages_fast);
* callers need to carefully consider what to use. On many architectures,
* get_user_pages_fast simply falls back to get_user_pages.
*/
int __attribute__((weak)) get_user_pages_fast(unsigned long start,
int __weak get_user_pages_fast(unsigned long start,
int nr_pages, int write, struct page **pages)
{
struct mm_struct *mm = current->mm;