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iommu/amd: Move aperture_range.offset to another cache-line

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Moving it before the pte_pages array puts in into the same
cache-line as the spin-lock and the bitmap array pointer.
This should safe a cache-miss.

Signed-off-by: Joerg Roedel <jroedel@suse.de>
This commit is contained in:
Joerg Roedel 2015-12-21 16:28:45 +01:00
parent a0f51447f4
commit ae62d49c7a
1 changed files with 1 additions and 2 deletions
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3
drivers/iommu/amd_iommu.c
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@ -124,6 +124,7 @@ struct aperture_range {
/* address allocation bitmap */
unsigned long *bitmap;
unsigned long offset;
/*
* Array of PTE pages for the aperture. In this array we save all the
@ -132,8 +133,6 @@ struct aperture_range {
* just calculate its address in constant time.
*/
u64 *pte_pages[64];
unsigned long offset;
};
/*