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| author | Christoph Lameter <clameter@sgi.com> | 2008-04-28 13:12:52 +0400 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-04-28 19:58:22 +0400 |
| commit | 0a128b2b1a5e8ebce0260e3345812ee70daccc7f (patch) | |
| tree | a2ce711ea77ef4677cad4f613112b8d7b88b7e28 | |
| parent | d60cd46bbdc5a79d9a177e40009f960e44f0e334 (diff) | |
| download | linux-0a128b2b1a5e8ebce0260e3345812ee70daccc7f.tar.xz | |
pageflags: eliminate PG_xxx aliases
Remove aliases of PG_xxx. We can easily drop those now and alias by
specifying the PG_xxx flag in the macro that generates the functions.
Signed-off-by: Christoph Lameter <clameter@sgi.com>
Cc: Andy Whitcroft <apw@shadowen.org>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Rik van Riel <riel@redhat.com>
Cc: Mel Gorman <mel@csn.ul.ie>
Cc: Jeremy Fitzhardinge <jeremy@goop.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | include/linux/page-flags.h | 12 | ||||
| -rw-r--r-- | mm/page_alloc.c | 2 |
2 files changed, 5 insertions, 9 deletions
diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h index 3cafd878e4ca..437778c703f5 100644 --- a/include/linux/page-flags.h +++ b/include/linux/page-flags.h @@ -79,8 +79,6 @@ enum pageflags { PG_active, PG_slab, PG_owner_priv_1, /* Owner use. If pagecache, fs may use*/ - PG_checked = PG_owner_priv_1, /* Used by some filesystems */ - PG_pinned = PG_owner_priv_1, /* Xen pinned pagetable */ PG_arch_1, PG_reserved, PG_private, /* If pagecache, has fs-private data */ @@ -89,8 +87,6 @@ enum pageflags { PG_swapcache, /* Swap page: swp_entry_t in private */ PG_mappedtodisk, /* Has blocks allocated on-disk */ PG_reclaim, /* To be reclaimed asap */ - /* PG_readahead is only used for file reads; PG_reclaim is only for writes */ - PG_readahead = PG_reclaim, /* Reminder to do async read-ahead */ PG_buddy, /* Page is free, on buddy lists */ #if (BITS_PER_LONG > 32) @@ -158,8 +154,8 @@ PAGEFLAG(Dirty, dirty) TESTSCFLAG(Dirty, dirty) __CLEARPAGEFLAG(Dirty, dirty) PAGEFLAG(LRU, lru) __CLEARPAGEFLAG(LRU, lru) PAGEFLAG(Active, active) __CLEARPAGEFLAG(Active, active) __PAGEFLAG(Slab, slab) -PAGEFLAG(Checked, checked) /* Used by some filesystems */ -PAGEFLAG(Pinned, pinned) TESTSCFLAG(Pinned, pinned) /* Xen pagetable */ +PAGEFLAG(Checked, owner_priv_1) /* Used by some filesystems */ +PAGEFLAG(Pinned, owner_priv_1) TESTSCFLAG(Pinned, owner_priv_1) /* Xen */ PAGEFLAG(Reserved, reserved) __CLEARPAGEFLAG(Reserved, reserved) PAGEFLAG(Private, private) __CLEARPAGEFLAG(Private, private) __SETPAGEFLAG(Private, private) @@ -174,14 +170,14 @@ PAGEFLAG(MappedToDisk, mappedtodisk) /* PG_readahead is only used for file reads; PG_reclaim is only for writes */ PAGEFLAG(Reclaim, reclaim) TESTCLEARFLAG(Reclaim, reclaim) -PAGEFLAG(Readahead, readahead) /* Reminder to do async read-ahead */ +PAGEFLAG(Readahead, reclaim) /* Reminder to do async read-ahead */ #ifdef CONFIG_HIGHMEM /* * Must use a macro here due to header dependency issues. page_zone() is not * available at this point. */ -#define PageHighMem(__p) is_highmem(page_zone(page)) +#define PageHighMem(__p) is_highmem(page_zone(__p)) #else static inline int PageHighMem(struct page *page) { diff --git a/mm/page_alloc.c b/mm/page_alloc.c index af28e2cec8b4..e0fc3baba843 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -632,7 +632,7 @@ static int prep_new_page(struct page *page, int order, gfp_t gfp_flags) if (PageReserved(page)) return 1; - page->flags &= ~(1 << PG_uptodate | 1 << PG_error | 1 << PG_readahead | + page->flags &= ~(1 << PG_uptodate | 1 << PG_error | 1 << PG_reclaim | 1 << PG_referenced | 1 << PG_arch_1 | 1 << PG_owner_priv_1 | 1 << PG_mappedtodisk); set_page_private(page, 0); |