diff options
Diffstat (limited to 'mm')
-rw-r--r-- | mm/slub.c | 11 |
1 files changed, 7 insertions, 4 deletions
@@ -1856,12 +1856,15 @@ static unsigned long calculate_alignment(unsigned long flags, | |||
1856 | * The hardware cache alignment cannot override the specified | 1856 | * The hardware cache alignment cannot override the specified |
1857 | * alignment though. If that is greater then use it. | 1857 | * alignment though. If that is greater then use it. |
1858 | */ | 1858 | */ |
1859 | if ((flags & SLAB_HWCACHE_ALIGN) && | 1859 | if (flags & SLAB_HWCACHE_ALIGN) { |
1860 | size > cache_line_size() / 2) | 1860 | unsigned long ralign = cache_line_size(); |
1861 | return max_t(unsigned long, align, cache_line_size()); | 1861 | while (size <= ralign / 2) |
1862 | ralign /= 2; | ||
1863 | align = max(align, ralign); | ||
1864 | } | ||
1862 | 1865 | ||
1863 | if (align < ARCH_SLAB_MINALIGN) | 1866 | if (align < ARCH_SLAB_MINALIGN) |
1864 | return ARCH_SLAB_MINALIGN; | 1867 | align = ARCH_SLAB_MINALIGN; |
1865 | 1868 | ||
1866 | return ALIGN(align, sizeof(void *)); | 1869 | return ALIGN(align, sizeof(void *)); |
1867 | } | 1870 | } |