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mm: remove unevictable_migrate_page function

Browse source 
unevictable_migrate_page() in mm/internal.h is a relic of the since
removed UNEVICTABLE_LRU Kconfig option.  This patch removes the function
and open codes the test in migrate_page_copy().

Signed-off-by: Lee Schermerhorn <[email protected]>
Reviewed-by: Christoph Lameter <[email protected]>
Acked-by: Hugh Dickins <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Lee Schermerhorn 2009-12-14 17:59:54 -08:00 • committed by Linus Torvalds
commit 418b27ef50
2 changed files with 2 additions and 14 deletions
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12
mm/internal.h
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@ -63,18 +63,6 @@ static inline unsigned long page_order(struct page *page)
return page_private(page);
}
/*
* unevictable_migrate_page() called only from migrate_page_copy() to
* migrate unevictable flag to new page.
* Note that the old page has been isolated from the LRU lists at this
* point so we don't need to worry about LRU statistics.
*/
static inline void unevictable_migrate_page(struct page *new, struct page *old)
{
if (TestClearPageUnevictable(old))
SetPageUnevictable(new);
}
#ifdef CONFIG_MMU
extern long mlock_vma_pages_range(struct vm_area_struct *vma,
unsigned long start, unsigned long end);