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author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-06-16 13:09:51 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-06-16 13:09:51 -0700 |
commit | b3fec0fe35a4ff048484f1408385a27695d4273b (patch) | |
tree | 088c23f098421ea681d9976a83aad73d15be1027 /include/linux/gfp.h | |
parent | e1f5b94fd0c93c3e27ede88b7ab652d086dc960f (diff) | |
parent | 722f2a6c87f34ee0fd0130a8cf45f81e0705594a (diff) | |
download | linux-b3fec0fe35a4ff048484f1408385a27695d4273b.tar.gz linux-b3fec0fe35a4ff048484f1408385a27695d4273b.tar.bz2 linux-b3fec0fe35a4ff048484f1408385a27695d4273b.zip |
Merge branch 'for-linus2' of git://git.kernel.org/pub/scm/linux/kernel/git/vegard/kmemcheck
* 'for-linus2' of git://git.kernel.org/pub/scm/linux/kernel/git/vegard/kmemcheck: (39 commits)
signal: fix __send_signal() false positive kmemcheck warning
fs: fix do_mount_root() false positive kmemcheck warning
fs: introduce __getname_gfp()
trace: annotate bitfields in struct ring_buffer_event
net: annotate struct sock bitfield
c2port: annotate bitfield for kmemcheck
net: annotate inet_timewait_sock bitfields
ieee1394/csr1212: fix false positive kmemcheck report
ieee1394: annotate bitfield
net: annotate bitfields in struct inet_sock
net: use kmemcheck bitfields API for skbuff
kmemcheck: introduce bitfield API
kmemcheck: add opcode self-testing at boot
x86: unify pte_hidden
x86: make _PAGE_HIDDEN conditional
kmemcheck: make kconfig accessible for other architectures
kmemcheck: enable in the x86 Kconfig
kmemcheck: add hooks for the page allocator
kmemcheck: add hooks for page- and sg-dma-mappings
kmemcheck: don't track page tables
...
Diffstat (limited to 'include/linux/gfp.h')
-rw-r--r-- | include/linux/gfp.h | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/include/linux/gfp.h b/include/linux/gfp.h index 3760e7c5de02..80e14b8c2e78 100644 --- a/include/linux/gfp.h +++ b/include/linux/gfp.h @@ -52,7 +52,19 @@ struct vm_area_struct; #define __GFP_RECLAIMABLE ((__force gfp_t)0x80000u) /* Page is reclaimable */ #define __GFP_MOVABLE ((__force gfp_t)0x100000u) /* Page is movable */ -#define __GFP_BITS_SHIFT 21 /* Room for 21 __GFP_FOO bits */ +#ifdef CONFIG_KMEMCHECK +#define __GFP_NOTRACK ((__force gfp_t)0x200000u) /* Don't track with kmemcheck */ +#else +#define __GFP_NOTRACK ((__force gfp_t)0) +#endif + +/* + * This may seem redundant, but it's a way of annotating false positives vs. + * allocations that simply cannot be supported (e.g. page tables). + */ +#define __GFP_NOTRACK_FALSE_POSITIVE (__GFP_NOTRACK) + +#define __GFP_BITS_SHIFT 22 /* Room for 22 __GFP_FOO bits */ #define __GFP_BITS_MASK ((__force gfp_t)((1 << __GFP_BITS_SHIFT) - 1)) /* This equals 0, but use constants in case they ever change */ |