Commit 5409bae0 authored by Nick Piggin's avatar Nick Piggin Committed by Linus Torvalds
Browse files

[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: default avatarJeremy Fitzhardinge <jeremy@xensource.com>
Signed-off-by: default avatarNick Piggin <nickpiggin@yahoo.com.au>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 93a6fefe

include/linux/page-flags.h

+3 −1
Original line number Diff line number Diff line
@@ -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)

/*

mm/page_alloc.c

+1 −1
Original line number Diff line number Diff line
@@ -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);

CRA Git | Maintained and supported by SUSTech CRA and CCSE