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| author | Nick Piggin <nickpiggin@yahoo.com.au> | 2007-03-01 07:12:27 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-03-02 01:53:37 +0300 |
| commit | 5409bae07a63630ba5a40f3f00b7f3e6d7eceedd (patch) | |
| tree | cc8837a90476091fc1fec7f20e4a2ca99ffbae41 | |
| parent | 93a6fefe2f6fc380870c0985b246bec7f37a06f7 (diff) | |
| download | linux-5409bae07a63630ba5a40f3f00b7f3e6d7eceedd.tar.xz | |
[PATCH] Rename PG_checked to PG_owner_priv_1
Rename PG_checked to PG_owner_priv_1 to reflect its availablilty as a
private flag for use by the owner/allocator of the page. In the case of
pagecache pages (which might be considered to be owned by the mm),
filesystems may use the flag.
Signed-off-by: Jeremy Fitzhardinge <jeremy@xensource.com>
Signed-off-by: Nick Piggin <nickpiggin@yahoo.com.au>
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 | 4 | ||||
| -rw-r--r-- | mm/page_alloc.c | 2 |
2 files changed, 4 insertions, 2 deletions
diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h index 350878a2d848..9cd0d0eaf523 100644 --- a/include/linux/page-flags.h +++ b/include/linux/page-flags.h @@ -76,7 +76,7 @@ #define PG_active 6 #define PG_slab 7 /* slab debug (Suparna wants this) */ -#define PG_checked 8 /* kill me in 2.5.<early>. */ +#define PG_owner_priv_1 8 /* Owner use. If pagecache, fs may use*/ #define PG_arch_1 9 #define PG_reserved 10 #define PG_private 11 /* If pagecache, has fs-private data */ @@ -91,6 +91,8 @@ #define PG_nosave_free 18 /* Used for system suspend/resume */ #define PG_buddy 19 /* Page is free, on buddy lists */ +/* PG_owner_priv_1 users should have descriptive aliases */ +#define PG_checked PG_owner_priv_1 /* Used by some filesystems */ #if (BITS_PER_LONG > 32) /* diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 41737395bbcc..353ce9039a86 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -600,7 +600,7 @@ static int prep_new_page(struct page *page, int order, gfp_t gfp_flags) page->flags &= ~(1 << PG_uptodate | 1 << PG_error | 1 << PG_referenced | 1 << PG_arch_1 | - 1 << PG_checked | 1 << PG_mappedtodisk); + 1 << PG_owner_priv_1 | 1 << PG_mappedtodisk); set_page_private(page, 0); set_page_refcounted(page); |