https://github.com/torvalds/linux
We are seeing a lot of sg_alloc_table allocation failures using the new drm prime infrastructure. We isolated the cause to code in __sg_alloc_table that was re-writing the gfp_flags. There is a comment in the code that suggest that there is an assumption about the allocation coming from a memory pool. This was likely true when sg lists were primarily used for disk I/O. Signed-off-by: Mandeep Singh Baines <msb@chromium.org> Cc: Jens Axboe <axboe@kernel.dk> Cc: Paul Gortmaker <paul.gortmaker@windriver.com> Cc: Cong Wang <amwang@redhat.com> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: Rob Clark <rob.clark@linaro.org> Cc: Sumit Semwal <sumit.semwal@linaro.org> Cc: Inki Dae <inki.dae@samsung.com> Cc: Dave Airlie <airlied@redhat.com> Cc: Sonny Rao <sonnyrao@chromium.org> Cc: Olof Johansson <olofj@chromium.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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- v2.6.19-rc2
- v2.6.19-rc1
- v2.6.19
- v2.6.18-rc7
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- v2.6.17
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- v2.6.12-rc4
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- v2.6.12
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lib/scatterlist: do not re-write gfp_flags in __sg_alloc_table()
File | Mode | Size |
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Documentation | ||
arch | ||
block | ||
crypto | ||
drivers | ||
firmware | ||
fs | ||
include | ||
init | ||
ipc | ||
kernel | ||
lib | ||
mm | ||
net | ||
samples | ||
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.gitignore | -rw-r--r-- | 1014 bytes |
.mailmap | -rw-r--r-- | 4.4 KB |
COPYING | -rw-r--r-- | 18.3 KB |
CREDITS | -rw-r--r-- | 92.7 KB |
Kbuild | -rw-r--r-- | 2.5 KB |
Kconfig | -rw-r--r-- | 252 bytes |
MAINTAINERS | -rw-r--r-- | 209.6 KB |
Makefile | -rw-r--r-- | 46.0 KB |
README | -rw-r--r-- | 17.3 KB |
REPORTING-BUGS | -rw-r--r-- | 3.3 KB |
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