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Change KM_PUSHPAGE -> KM_SLEEP

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By marking DMU transaction processing contexts with PF_FSTRANS
we can revert the KM_PUSHPAGE -> KM_SLEEP changes.  This brings
us back in line with upstream.  In some cases this means simply
swapping the flags back.  For others fnvlist_alloc() was replaced
by nvlist_alloc(..., KM_PUSHPAGE) and must be reverted back to
fnvlist_alloc() which assumes KM_SLEEP.

The one place KM_PUSHPAGE is kept is when allocating ARC buffers
which allows us to dip in to reserved memory.  This is again the
same as upstream.

Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
This commit is contained in:
Brian Behlendorf
2014-11-20 19:09:39 -05:00
parent efcd79a883
commit 79c76d5b65
65 changed files with 269 additions and 281 deletions
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module/zfs/lz4.c
+1 -1
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@@ -838,7 +838,7 @@ real_LZ4_compress(const char *source, char *dest, int isize, int osize)
int result;
ASSERT(lz4_cache != NULL);
ctx = kmem_cache_alloc(lz4_cache, KM_PUSHPAGE);
ctx = kmem_cache_alloc(lz4_cache, KM_SLEEP);
/*
* out of kernel memory, gently fall through - this will disable