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| author | Jeff Garzik <jeff@garzik.org> | 2007-02-17 23:09:59 +0300 |
|---|---|---|
| committer | Jeff Garzik <jeff@garzik.org> | 2007-02-17 23:09:59 +0300 |
| commit | 48c871c1f6a7c7044dd76774fb469e65c7e2e4e8 (patch) | |
| tree | da3aa535c98cc0957851354ceb0fbff7482d7a9d /include/linux/mm.h | |
| parent | 1a1689344add3333d28d1b5495d8043a3877d01c (diff) | |
| parent | 4409d28140d9a6e6e3f4f1fdaf7234c4b965d954 (diff) | |
| download | linux-48c871c1f6a7c7044dd76774fb469e65c7e2e4e8.tar.xz | |
Merge branch 'gfar' of master.kernel.org:/pub/scm/linux/kernel/git/galak/powerpc into upstream
Diffstat (limited to 'include/linux/mm.h')
| -rw-r--r-- | include/linux/mm.h | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/include/linux/mm.h b/include/linux/mm.h index bb793a4c8e9e..a0eec16eb0bd 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -437,15 +437,15 @@ static inline compound_page_dtor *get_compound_page_dtor(struct page *page) /* NODE:ZONE or SECTION:ZONE is used to ID a zone for the buddy allcator */ #ifdef NODE_NOT_IN_PAGEFLAGS #define ZONEID_SHIFT (SECTIONS_SHIFT + ZONES_SHIFT) +#define ZONEID_PGOFF ((SECTIONS_PGOFF < ZONES_PGOFF)? \ + SECTIONS_PGOFF : ZONES_PGOFF) #else #define ZONEID_SHIFT (NODES_SHIFT + ZONES_SHIFT) +#define ZONEID_PGOFF ((NODES_PGOFF < ZONES_PGOFF)? \ + NODES_PGOFF : ZONES_PGOFF) #endif -#if ZONES_WIDTH > 0 -#define ZONEID_PGSHIFT ZONES_PGSHIFT -#else -#define ZONEID_PGSHIFT NODES_PGOFF -#endif +#define ZONEID_PGSHIFT (ZONEID_PGOFF * (ZONEID_SHIFT != 0)) #if SECTIONS_WIDTH+NODES_WIDTH+ZONES_WIDTH > FLAGS_RESERVED #error SECTIONS_WIDTH+NODES_WIDTH+ZONES_WIDTH > FLAGS_RESERVED @@ -471,7 +471,6 @@ static inline enum zone_type page_zonenum(struct page *page) */ static inline int page_zone_id(struct page *page) { - BUILD_BUG_ON(ZONEID_PGSHIFT == 0 && ZONEID_MASK); return (page->flags >> ZONEID_PGSHIFT) & ZONEID_MASK; } @@ -638,6 +637,7 @@ static inline int page_mapped(struct page *page) */ #define NOPFN_SIGBUS ((unsigned long) -1) #define NOPFN_OOM ((unsigned long) -2) +#define NOPFN_REFAULT ((unsigned long) -3) /* * Different kinds of faults, as returned by handle_mm_fault(). @@ -786,6 +786,7 @@ extern int try_to_release_page(struct page * page, gfp_t gfp_mask); extern void do_invalidatepage(struct page *page, unsigned long offset); int __set_page_dirty_nobuffers(struct page *page); +int __set_page_dirty_no_writeback(struct page *page); int redirty_page_for_writepage(struct writeback_control *wbc, struct page *page); int FASTCALL(set_page_dirty(struct page *page)); @@ -1124,6 +1125,8 @@ unsigned long vmalloc_to_pfn(void *addr); int remap_pfn_range(struct vm_area_struct *, unsigned long addr, unsigned long pfn, unsigned long size, pgprot_t); int vm_insert_page(struct vm_area_struct *, unsigned long addr, struct page *); +int vm_insert_pfn(struct vm_area_struct *vma, unsigned long addr, + unsigned long pfn); struct page *follow_page(struct vm_area_struct *, unsigned long address, unsigned int foll_flags); |