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[PATCH] Swapless page migration: rip out swap based logic

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Rip the page migration logic out.

Remove all code that has to do with swapping during page migration.

This also guts the ability to migrate pages to swap.  No one used that so lets
let it go for good.

Page migration should be a bit broken after this patch.

Signed-off-by: Christoph Lameter <clameter@sgi.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Christoph Lameter 2006-06-23 02:03:36 -07:00 • committed by Linus Torvalds
parent 0697212a41
commit d75a0fcda2
4 changed files with 3 additions and 120 deletions
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1
include/linux/rmap.h
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@ -91,7 +91,6 @@ static inline void page_dup_rmap(struct page *page)
*/
int page_referenced(struct page *, int is_locked);
int try_to_unmap(struct page *, int ignore_refs);
void remove_from_swap(struct page *page);
/*
* Called from mm/filemap_xip.c to unmap empty zero page