diff options
Diffstat (limited to 'include/linux/gfp.h')
| -rw-r--r-- | include/linux/gfp.h | 34 |
1 files changed, 20 insertions, 14 deletions
diff --git a/include/linux/gfp.h b/include/linux/gfp.h index 3f88fed60..af1f2b24b 100644 --- a/include/linux/gfp.h +++ b/include/linux/gfp.h @@ -30,13 +30,12 @@ struct vm_area_struct; #define ___GFP_HARDWALL 0x20000u #define ___GFP_THISNODE 0x40000u #define ___GFP_ATOMIC 0x80000u -#define ___GFP_NOACCOUNT 0x100000u +#define ___GFP_ACCOUNT 0x100000u #define ___GFP_NOTRACK 0x200000u #define ___GFP_DIRECT_RECLAIM 0x400000u #define ___GFP_OTHER_NODE 0x800000u #define ___GFP_WRITE 0x1000000u -#define ___GFP_TOI_NOTRACK 0x2000000u -#define ___GFP_KSWAPD_RECLAIM 0x4000000u +#define ___GFP_KSWAPD_RECLAIM 0x2000000u /* If the above are modified, __GFP_BITS_SHIFT may need updating */ /* @@ -74,11 +73,15 @@ struct vm_area_struct; * * __GFP_THISNODE forces the allocation to be satisified from the requested * node with no fallbacks or placement policy enforcements. + * + * __GFP_ACCOUNT causes the allocation to be accounted to kmemcg (only relevant + * to kmem allocations). */ #define __GFP_RECLAIMABLE ((__force gfp_t)___GFP_RECLAIMABLE) #define __GFP_WRITE ((__force gfp_t)___GFP_WRITE) #define __GFP_HARDWALL ((__force gfp_t)___GFP_HARDWALL) #define __GFP_THISNODE ((__force gfp_t)___GFP_THISNODE) +#define __GFP_ACCOUNT ((__force gfp_t)___GFP_ACCOUNT) /* * Watermark modifiers -- controls access to emergency reserves @@ -105,7 +108,6 @@ struct vm_area_struct; #define __GFP_HIGH ((__force gfp_t)___GFP_HIGH) #define __GFP_MEMALLOC ((__force gfp_t)___GFP_MEMALLOC) #define __GFP_NOMEMALLOC ((__force gfp_t)___GFP_NOMEMALLOC) -#define __GFP_NOACCOUNT ((__force gfp_t)___GFP_NOACCOUNT) /* * Reclaim modifiers @@ -151,7 +153,6 @@ struct vm_area_struct; #define __GFP_REPEAT ((__force gfp_t)___GFP_REPEAT) #define __GFP_NOFAIL ((__force gfp_t)___GFP_NOFAIL) #define __GFP_NORETRY ((__force gfp_t)___GFP_NORETRY) -#define __GFP_TOI_NOTRACK ((__force gfp_t)___GFP_TOI_NOTRACK) /* Allocator wants page untracked by TOI */ /* * Action modifiers @@ -185,7 +186,7 @@ struct vm_area_struct; #define __GFP_OTHER_NODE ((__force gfp_t)___GFP_OTHER_NODE) /* Room for N __GFP_FOO bits */ -#define __GFP_BITS_SHIFT 27 +#define __GFP_BITS_SHIFT 26 #define __GFP_BITS_MASK ((__force gfp_t)((1 << __GFP_BITS_SHIFT) - 1)) /* @@ -199,6 +200,9 @@ struct vm_area_struct; * GFP_KERNEL is typical for kernel-internal allocations. The caller requires * ZONE_NORMAL or a lower zone for direct access but can direct reclaim. * + * GFP_KERNEL_ACCOUNT is the same as GFP_KERNEL, except the allocation is + * accounted to kmemcg. + * * GFP_NOWAIT is for kernel allocations that should not stall for direct * reclaim, start physical IO or use any filesystem callback. * @@ -238,6 +242,7 @@ struct vm_area_struct; */ #define GFP_ATOMIC (__GFP_HIGH|__GFP_ATOMIC|__GFP_KSWAPD_RECLAIM) #define GFP_KERNEL (__GFP_RECLAIM | __GFP_IO | __GFP_FS) +#define GFP_KERNEL_ACCOUNT (GFP_KERNEL | __GFP_ACCOUNT) #define GFP_NOWAIT (__GFP_KSWAPD_RECLAIM) #define GFP_NOIO (__GFP_RECLAIM) #define GFP_NOFS (__GFP_RECLAIM | __GFP_IO) @@ -273,7 +278,7 @@ static inline int gfpflags_to_migratetype(const gfp_t gfp_flags) static inline bool gfpflags_allow_blocking(const gfp_t gfp_flags) { - return (bool __force)(gfp_flags & __GFP_DIRECT_RECLAIM); + return !!(gfp_flags & __GFP_DIRECT_RECLAIM); } #ifdef CONFIG_HIGHMEM @@ -379,10 +384,11 @@ static inline enum zone_type gfp_zone(gfp_t flags) static inline int gfp_zonelist(gfp_t flags) { - if (IS_ENABLED(CONFIG_NUMA) && unlikely(flags & __GFP_THISNODE)) - return 1; - - return 0; +#ifdef CONFIG_NUMA + if (unlikely(flags & __GFP_THISNODE)) + return ZONELIST_NOFALLBACK; +#endif + return ZONELIST_FALLBACK; } /* @@ -541,16 +547,16 @@ static inline bool pm_suspended_storage(void) } #endif /* CONFIG_PM_SLEEP */ -#ifdef CONFIG_CMA - +#if (defined(CONFIG_MEMORY_ISOLATION) && defined(CONFIG_COMPACTION)) || defined(CONFIG_CMA) /* The below functions must be run on a range from a single zone. */ extern int alloc_contig_range(unsigned long start, unsigned long end, unsigned migratetype); extern void free_contig_range(unsigned long pfn, unsigned nr_pages); +#endif +#ifdef CONFIG_CMA /* CMA stuff */ extern void init_cma_reserved_pageblock(struct page *page); - #endif #endif /* __LINUX_GFP_H */ |