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Remove redundant assignments to arc_c

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Several assignments to arc_c had no effect because it is ultimately
initialized to arc_c_max.

This aligns ZoL better with the upstream code which removed these
assignments some time ago.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Tim Chase <tim@onlight.com>
Closes #5081
This commit is contained in:
Tim Chase 2016-09-09 11:03:03 -05:00 committed by Brian Behlendorf
parent 67d6082494
commit 43924bfeaa
1 changed files with 0 additions and 10 deletions
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10
module/zfs/arc.c
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@ -5464,17 +5464,7 @@ arc_init(void)
/* Convert seconds to clock ticks */
arc_min_prefetch_lifespan = 1 * hz;
/* Start out with 1/8 of all memory */
arc_c = allmem / 8;
#ifdef _KERNEL
/*
* On architectures where the physical memory can be larger
* than the addressable space (intel in 32-bit mode), we may
* need to limit the cache to 1/8 of VM size.
*/
arc_c = MIN(arc_c, vmem_size(heap_arena, VMEM_ALLOC | VMEM_FREE) / 8);
/*
* Register a shrinker to support synchronous (direct) memory
* reclaim from the arc. This is done to prevent kswapd from