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mm: remove CONFIG_UNEVICTABLE_LRU config option

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Currently, nobody wants to turn UNEVICTABLE_LRU off.  Thus this
configurability is unnecessary.

Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Andi Kleen <andi@firstfloor.org>
Acked-by: Minchan Kim <minchan.kim@gmail.com>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: Matt Mackall <mpm@selenic.com>
Cc: Rik van Riel <riel@redhat.com>
Cc: Lee Schermerhorn <lee.schermerhorn@hp.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
KOSAKI Motohiro
2009-06-16 15:32:51 -07:00
committed by Linus Torvalds
parent bce7394a3e
commit 6837765963
17 changed files with 3 additions and 153 deletions
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22
mm/mlock.c
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@ -31,7 +31,6 @@ int can_do_mlock(void)
}
EXPORT_SYMBOL(can_do_mlock);
#ifdef CONFIG_UNEVICTABLE_LRU
/*
* Mlocked pages are marked with PageMlocked() flag for efficient testing
* in vmscan and, possibly, the fault path; and to support semi-accurate
@ -261,27 +260,6 @@ static int __mlock_posix_error_return(long retval)
return retval;
}
#else /* CONFIG_UNEVICTABLE_LRU */
/*
* Just make pages present if VM_LOCKED. No-op if unlocking.
*/
static long __mlock_vma_pages_range(struct vm_area_struct *vma,
unsigned long start, unsigned long end,
int mlock)
{
if (mlock && (vma->vm_flags & VM_LOCKED))
return make_pages_present(start, end);
return 0;
}
static inline int __mlock_posix_error_return(long retval)
{
return 0;
}
#endif /* CONFIG_UNEVICTABLE_LRU */
/**
* mlock_vma_pages_range() - mlock pages in specified vma range.
* @vma - the vma containing the specfied address range