diff options
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/gfp.h | 9 | ||||
| -rw-r--r-- | include/linux/jbd.h | 17 | ||||
| -rw-r--r-- | include/linux/mm.h | 24 | ||||
| -rw-r--r-- | include/linux/mmzone.h | 18 | ||||
| -rw-r--r-- | include/linux/page-flags.h | 4 | ||||
| -rw-r--r-- | include/linux/usb.h | 1 |
6 files changed, 15 insertions, 58 deletions
diff --git a/include/linux/gfp.h b/include/linux/gfp.h index 313dfe9b443a..8b2eab90abb6 100644 --- a/include/linux/gfp.h +++ b/include/linux/gfp.h @@ -11,7 +11,7 @@ struct vm_area_struct; /* * GFP bitmasks.. */ -/* Zone modifiers in GFP_ZONEMASK (see linux/mmzone.h - low two bits) */ +/* Zone modifiers in GFP_ZONEMASK (see linux/mmzone.h - low three bits) */ #define __GFP_DMA ((__force gfp_t)0x01u) #define __GFP_HIGHMEM ((__force gfp_t)0x02u) #ifdef CONFIG_DMA_IS_DMA32 @@ -74,7 +74,12 @@ struct vm_area_struct; #define GFP_DMA32 __GFP_DMA32 -#define gfp_zone(mask) ((__force int)((mask) & (__force gfp_t)GFP_ZONEMASK)) +static inline int gfp_zone(gfp_t gfp) +{ + int zone = GFP_ZONEMASK & (__force int) gfp; + BUG_ON(zone >= GFP_ZONETYPES); + return zone; +} /* * There is only one page-allocator function, and two main namespaces to diff --git a/include/linux/jbd.h b/include/linux/jbd.h index aa56172c6fed..dcde7adfdce5 100644 --- a/include/linux/jbd.h +++ b/include/linux/jbd.h @@ -16,8 +16,6 @@ #ifndef _LINUX_JBD_H #define _LINUX_JBD_H -#if defined(CONFIG_JBD) || defined(CONFIG_JBD_MODULE) || !defined(__KERNEL__) - /* Allow this file to be included directly into e2fsprogs */ #ifndef __KERNEL__ #include "jfs_compat.h" @@ -1083,19 +1081,4 @@ extern int jbd_blocks_per_page(struct inode *inode); #endif /* __KERNEL__ */ -#endif /* CONFIG_JBD || CONFIG_JBD_MODULE || !__KERNEL__ */ - -/* - * Compatibility no-ops which allow the kernel to compile without CONFIG_JBD - * go here. - */ - -#if defined(__KERNEL__) && !(defined(CONFIG_JBD) || defined(CONFIG_JBD_MODULE)) - -#define J_ASSERT(expr) do {} while (0) -#define J_ASSERT_BH(bh, expr) do {} while (0) -#define buffer_jbd(bh) 0 -#define journal_buffer_journal_lru(bh) 0 - -#endif /* defined(__KERNEL__) && !defined(CONFIG_JBD) */ #endif /* _LINUX_JBD_H */ diff --git a/include/linux/mm.h b/include/linux/mm.h index 0986d19be0b7..f0cdfd18db55 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -144,7 +144,8 @@ extern unsigned int kobjsize(const void *objp); #define VM_GROWSDOWN 0x00000100 /* general info on the segment */ #define VM_GROWSUP 0x00000200 -#define VM_SHM 0x00000400 /* shared memory area, don't swap out */ +#define VM_SHM 0x00000000 /* Means nothing: delete it later */ +#define VM_UNPAGED 0x00000400 /* Pages managed without map count */ #define VM_DENYWRITE 0x00000800 /* ETXTBSY on write attempts.. */ #define VM_EXECUTABLE 0x00001000 @@ -157,7 +158,7 @@ extern unsigned int kobjsize(const void *objp); #define VM_DONTCOPY 0x00020000 /* Do not copy this vma on fork */ #define VM_DONTEXPAND 0x00040000 /* Cannot expand with mremap() */ -#define VM_RESERVED 0x00080000 /* Pages managed in a special way */ +#define VM_RESERVED 0x00080000 /* Count as reserved_vm like IO */ #define VM_ACCOUNT 0x00100000 /* Is a VM accounted object */ #define VM_HUGETLB 0x00400000 /* Huge TLB Page VM */ #define VM_NONLINEAR 0x00800000 /* Is non-linear (remap_file_pages) */ @@ -311,8 +312,6 @@ struct page { extern void FASTCALL(__page_cache_release(struct page *)); -#ifdef CONFIG_HUGETLB_PAGE - static inline int page_count(struct page *page) { if (PageCompound(page)) @@ -329,23 +328,6 @@ static inline void get_page(struct page *page) void put_page(struct page *page); -#else /* CONFIG_HUGETLB_PAGE */ - -#define page_count(p) (atomic_read(&(p)->_count) + 1) - -static inline void get_page(struct page *page) -{ - atomic_inc(&page->_count); -} - -static inline void put_page(struct page *page) -{ - if (put_page_testzero(page)) - __page_cache_release(page); -} - -#endif /* CONFIG_HUGETLB_PAGE */ - /* * Multiple processes may "see" the same page. E.g. for untouched * mappings of /dev/null, all processes see the same page full of diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h index 2c8edad5dccf..9f22090df7dd 100644 --- a/include/linux/mmzone.h +++ b/include/linux/mmzone.h @@ -91,21 +91,11 @@ struct per_cpu_pageset { * will be a maximum of 4 (2 ** 2) zonelists, for 3 modifiers there will * be 8 (2 ** 3) zonelists. GFP_ZONETYPES defines the number of possible * combinations of zone modifiers in "zone modifier space". + * + * NOTE! Make sure this matches the zones in <linux/gfp.h> */ -#define GFP_ZONEMASK 0x03 -/* - * As an optimisation any zone modifier bits which are only valid when - * no other zone modifier bits are set (loners) should be placed in - * the highest order bits of this field. This allows us to reduce the - * extent of the zonelists thus saving space. For example in the case - * of three zone modifier bits, we could require up to eight zonelists. - * If the left most zone modifier is a "loner" then the highest valid - * zonelist would be four allowing us to allocate only five zonelists. - * Use the first form when the left most bit is not a "loner", otherwise - * use the second. - */ -/* #define GFP_ZONETYPES (GFP_ZONEMASK + 1) */ /* Non-loner */ -#define GFP_ZONETYPES ((GFP_ZONEMASK + 1) / 2 + 1) /* Loner */ +#define GFP_ZONEMASK 0x07 +#define GFP_ZONETYPES 5 /* * On machines where it is needed (eg PCs) we divide physical memory diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h index f34767c5fc79..343083fec258 100644 --- a/include/linux/page-flags.h +++ b/include/linux/page-flags.h @@ -287,11 +287,7 @@ extern void __mod_page_state(unsigned long offset, unsigned long delta); #define ClearPageReclaim(page) clear_bit(PG_reclaim, &(page)->flags) #define TestClearPageReclaim(page) test_and_clear_bit(PG_reclaim, &(page)->flags) -#ifdef CONFIG_HUGETLB_PAGE #define PageCompound(page) test_bit(PG_compound, &(page)->flags) -#else -#define PageCompound(page) 0 -#endif #define SetPageCompound(page) set_bit(PG_compound, &(page)->flags) #define ClearPageCompound(page) clear_bit(PG_compound, &(page)->flags) diff --git a/include/linux/usb.h b/include/linux/usb.h index 856d232c7562..d81b050e5955 100644 --- a/include/linux/usb.h +++ b/include/linux/usb.h @@ -47,6 +47,7 @@ struct usb_driver; * @urb_list: urbs queued to this endpoint; maintained by usbcore * @hcpriv: for use by HCD; typically holds hardware dma queue head (QH) * with one or more transfer descriptors (TDs) per urb + * @kobj: kobject for sysfs info * @extra: descriptors following this endpoint in the configuration * @extralen: how many bytes of "extra" are valid * |
