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| author | hselasky <hselasky@FreeBSD.org> | 2018-02-25 10:33:12 +0000 |
|---|---|---|
| committer | hselasky <hselasky@FreeBSD.org> | 2018-02-25 10:33:12 +0000 |
| commit | e27c395aae4f4c2e2b4ff34d2132bcc60eb444d0 (patch) | |
| tree | 9ad193f882fc70e3a92556484757382dd271a452 | |
| parent | e07d17e2bcff2bec4cceca484c025767d7bf520f (diff) | |
| download | FreeBSD-src-e27c395aae4f4c2e2b4ff34d2132bcc60eb444d0.zip FreeBSD-src-e27c395aae4f4c2e2b4ff34d2132bcc60eb444d0.tar.gz | |
MFC r329513:
Implement __GFP_BITS_SHIFT and __GFP_BITS_MASK macros in the LinuxKPI.
Add compile time asserts to catch conflicts with native defines.
Submitted by: Johannes Lundberg <johalun0@gmail.com>
Sponsored by: Mellanox Technologies
Sponsored by: Limelight Networks
| -rw-r--r-- | sys/compat/linuxkpi/common/include/linux/gfp.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/sys/compat/linuxkpi/common/include/linux/gfp.h b/sys/compat/linuxkpi/common/include/linux/gfp.h index 3d9ddba..2eea6d2 100644 --- a/sys/compat/linuxkpi/common/include/linux/gfp.h +++ b/sys/compat/linuxkpi/common/include/linux/gfp.h @@ -54,6 +54,8 @@ #define __GFP_NO_KSWAPD 0 #define __GFP_WAIT M_WAITOK #define __GFP_DMA32 (1U << 24) /* LinuxKPI only */ +#define __GFP_BITS_SHIFT 25 +#define __GFP_BITS_MASK ((1 << __GFP_BITS_SHIFT) - 1) #define GFP_NOWAIT M_NOWAIT #define GFP_ATOMIC (M_NOWAIT | M_USE_RESERVE) @@ -67,6 +69,9 @@ #define GFP_TEMPORARY M_NOWAIT #define GFP_NATIVE_MASK (M_NOWAIT | M_WAITOK | M_USE_RESERVE | M_ZERO) +CTASSERT((__GFP_DMA32 & GFP_NATIVE_MASK) == 0); +CTASSERT((__GFP_BITS_MASK & GFP_NATIVE_MASK) == GFP_NATIVE_MASK); + /* * Resolve a page into a virtual address: * |
