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gcc-4.6: mm: fix unused but set warnings

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No real bugs, just some dead code and some fixups.

Signed-off-by: Andi Kleen <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Andi Kleen 2010-08-09 17:19:03 -07:00 • committed by Linus Torvalds
commit 4e60c86bd9
6 changed files with 9 additions and 9 deletions
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2
mm/filemap.c
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@ -2238,14 +2238,12 @@ static ssize_t generic_perform_write(struct file *file,
do {
struct page *page;
pgoff_t index; /* Pagecache index for current page */
unsigned long offset; /* Offset into pagecache page */
unsigned long bytes; /* Bytes to write to page */
size_t copied; /* Bytes copied from user */
void *fsdata;
offset = (pos & (PAGE_CACHE_SIZE - 1));
index = pos >> PAGE_CACHE_SHIFT;
bytes = min_t(unsigned long, PAGE_CACHE_SIZE - offset,
iov_iter_count(i));

2
mm/memory.c
View file

@ -307,7 +307,6 @@ void free_pgd_range(struct mmu_gather *tlb,
{
pgd_t *pgd;
unsigned long next;
unsigned long start;
/*
* The next few lines have given us lots of grief...
@ -351,7 +350,6 @@ void free_pgd_range(struct mmu_gather *tlb,
if (addr > end - 1)
return;
start = addr;
pgd = pgd_offset(tlb->mm, addr);
do {
next = pgd_addr_end(addr, end);

2
mm/slab.c
View file

@ -394,7 +394,7 @@ static void kmem_list3_init(struct kmem_list3 *parent)
#define STATS_DEC_ACTIVE(x) do { } while (0)
#define STATS_INC_ALLOCED(x) do { } while (0)
#define STATS_INC_GROWN(x) do { } while (0)
#define STATS_ADD_REAPED(x,y) do { } while (0)
#define STATS_ADD_REAPED(x,y) do { (void)(y); } while (0)
#define STATS_SET_HIGH(x) do { } while (0)
#define STATS_INC_ERR(x) do { } while (0)
#define STATS_INC_NODEALLOCS(x) do { } while (0)