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mm: make HASHED_PAGE_VIRTUAL page_address' struct page argument const.

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Followup to 33dd4e0ec9 "mm: make some struct page's const" which missed the
HASHED_PAGE_VIRTUAL case.

Signed-off-by: Ian Campbell <[email protected]>
Cc: Andrea Arcangeli <[email protected]>
Cc: Rik van Riel <[email protected]>
Cc: Michel Lespinasse <[email protected]>
Cc: Mel Gorman <[email protected]>
Cc: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Ian Campbell 2011-08-17 13:45:09 +01:00 • committed by Linus Torvalds
commit f991879473
3 changed files with 4 additions and 4 deletions
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4
mm/highmem.c
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@ -326,7 +326,7 @@ static struct page_address_slot {
spinlock_t lock; /* Protect this bucket's list */
} ____cacheline_aligned_in_smp page_address_htable[1<<PA_HASH_ORDER];
static struct page_address_slot *page_slot(struct page *page)
static struct page_address_slot *page_slot(const struct page *page)
{
return &page_address_htable[hash_ptr(page, PA_HASH_ORDER)];
}
@ -337,7 +337,7 @@ static struct page_address_slot *page_slot(struct page *page)
*
* Returns the page's virtual address.
*/
void *page_address(struct page *page)
void *page_address(const struct page *page)
{
unsigned long flags;
void *ret;