diff options
Diffstat (limited to 'include/linux/mm.h')
| -rw-r--r-- | include/linux/mm.h | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/include/linux/mm.h b/include/linux/mm.h index fb19bb92b809..709f6728fc90 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -13,6 +13,7 @@ #include <linux/debug_locks.h> #include <linux/mm_types.h> #include <linux/range.h> +#include <linux/pfn.h> struct mempolicy; struct anon_vma; @@ -106,6 +107,9 @@ extern unsigned int kobjsize(const void *objp); #define VM_PFN_AT_MMAP 0x40000000 /* PFNMAP vma that is fully mapped at mmap time */ #define VM_MERGEABLE 0x80000000 /* KSM may merge identical pages */ +/* Bits set in the VMA until the stack is in its final location */ +#define VM_STACK_INCOMPLETE_SETUP (VM_RAND_READ | VM_SEQ_READ) + #ifndef VM_STACK_DEFAULT_FLAGS /* arch can override this */ #define VM_STACK_DEFAULT_FLAGS VM_DATA_DEFAULT_FLAGS #endif @@ -334,6 +338,7 @@ void put_page(struct page *page); void put_pages_list(struct list_head *pages); void split_page(struct page *page, unsigned int order); +int split_free_page(struct page *page); /* * Compound pages have a destructor function. Provide a @@ -591,7 +596,7 @@ static inline void set_page_links(struct page *page, enum zone_type zone, static __always_inline void *lowmem_page_address(struct page *page) { - return __va(page_to_pfn(page) << PAGE_SHIFT); + return __va(PFN_PHYS(page_to_pfn(page))); } #if defined(CONFIG_HIGHMEM) && !defined(WANT_PAGE_VIRTUAL) @@ -810,6 +815,7 @@ static inline void unmap_shared_mapping_range(struct address_space *mapping, } extern void truncate_pagecache(struct inode *inode, loff_t old, loff_t new); +extern void truncate_setsize(struct inode *inode, loff_t newsize); extern int vmtruncate(struct inode *inode, loff_t offset); extern int vmtruncate_range(struct inode *inode, loff_t offset, loff_t end); @@ -994,7 +1000,7 @@ static inline void sync_mm_rss(struct task_struct *task, struct mm_struct *mm) * querying the cache size, so a fastpath for that case is appropriate. */ struct shrinker { - int (*shrink)(int nr_to_scan, gfp_t gfp_mask); + int (*shrink)(struct shrinker *, int nr_to_scan, gfp_t gfp_mask); int seeks; /* seeks to recreate an obj */ /* These are for internal use */ @@ -1460,6 +1466,14 @@ extern int sysctl_memory_failure_recovery; extern void shake_page(struct page *p, int access); extern atomic_long_t mce_bad_pages; extern int soft_offline_page(struct page *page, int flags); +#ifdef CONFIG_MEMORY_FAILURE +int is_hwpoison_address(unsigned long addr); +#else +static inline int is_hwpoison_address(unsigned long addr) +{ + return 0; +} +#endif extern void dump_page(struct page *page); |
