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    Subject[PATCH 04/14] page-replace-activate_page.patch
    Date

    From: Peter Zijlstra <a.p.zijlstra@chello.nl>

    page-replace interface function:
    page_replace_activate()

    This function will modify the page state for a reference action.

    Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>

    include/linux/mm_page_replace.h | 4 ++++
    mm/vmscan.c | 3 ++-
    2 files changed, 6 insertions(+), 1 deletion(-)

    Index: linux-2.6-git/include/linux/mm_page_replace.h
    ===================================================================
    --- linux-2.6-git.orig/include/linux/mm_page_replace.h 2005-12-10 17:13:56.000000000 +0100
    +++ linux-2.6-git/include/linux/mm_page_replace.h 2005-12-10 18:19:30.000000000 +0100
    @@ -7,6 +7,10 @@
    #include <linux/mm.h>

    void __page_replace_insert(struct zone *, struct page *);
    +static inline void page_replace_activate(struct page *page)
    +{
    + SetPageActive(page);
    +}

    #endif /* __KERNEL__ */
    #endif /* _LINUX_MM_PAGE_REPLACE_H */
    Index: linux-2.6-git/mm/vmscan.c
    ===================================================================
    --- linux-2.6-git.orig/mm/vmscan.c 2005-12-10 17:13:57.000000000 +0100
    +++ linux-2.6-git/mm/vmscan.c 2005-12-10 18:19:34.000000000 +0100
    @@ -33,6 +33,7 @@
    #include <linux/cpuset.h>
    #include <linux/notifier.h>
    #include <linux/rwsem.h>
    +#include <linux/mm_page_replace.h>

    #include <asm/tlbflush.h>
    #include <asm/div64.h>
    @@ -573,7 +574,7 @@ static int shrink_list(struct list_head

    switch(try_pageout(page, sc)) {
    case PAGEOUT_ACTIVATE:
    - SetPageActive(page);
    + page_replace_activate(page);
    pgactivate++;
    /* fall through */
    case PAGEOUT_KEEP:
    -
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