From 8f082c6a9c911bf2604d76b1defec440a1d65ba2 Mon Sep 17 00:00:00 2001 From: David Chisnall Date: Tue, 30 Apr 2019 14:11:15 +0100 Subject: [PATCH] Fix incorrect edit in earlier commit. --- src/mem/metaslab.h | 8 +++----- 1 file changed, 3 insertions(+), 5 deletions(-) diff --git a/src/mem/metaslab.h b/src/mem/metaslab.h index 845896f..67b4546 100644 --- a/src/mem/metaslab.h +++ b/src/mem/metaslab.h @@ -102,13 +102,11 @@ namespace snmalloc { size_t size = sizeclass_to_size(sizeclass); size_t offset = get_slab_offset(sizeclass, is_short); - size_t all_ones = std::numeric_limits::is_signed ? - size_t(-1) : - std::numeric_limits::max(); + size_t all_high_bits = ~static_cast(1); size_t head_start = - remove_cache_friendly_offset(head & all_ones, sizeclass); - size_t slab_start = offset & all_ones; + remove_cache_friendly_offset(head & all_high_bits, sizeclass); + size_t slab_start = offset & all_high_bits; return ((head_start - slab_start) % size) == 0; }