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-rw-r--r--init/Kconfig7
1 files changed, 2 insertions, 5 deletions
diff --git a/init/Kconfig b/init/Kconfig
index 4e009fde4b69..9264895ab331 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -577,14 +577,11 @@ config SLUB
577 and has enhanced diagnostics. 577 and has enhanced diagnostics.
578 578
579config SLOB 579config SLOB
580# 580 depends on EMBEDDED && !SPARSEMEM
581# SLOB does not support SMP because SLAB_DESTROY_BY_RCU is unsupported
582#
583 depends on EMBEDDED && !SMP && !SPARSEMEM
584 bool "SLOB (Simple Allocator)" 581 bool "SLOB (Simple Allocator)"
585 help 582 help
586 SLOB replaces the SLAB allocator with a drastically simpler 583 SLOB replaces the SLAB allocator with a drastically simpler
587 allocator. SLOB is more space efficient that SLAB but does not 584 allocator. SLOB is more space efficient than SLAB but does not
588 scale well (single lock for all operations) and is also highly 585 scale well (single lock for all operations) and is also highly
589 susceptible to fragmentation. SLUB can accomplish a higher object 586 susceptible to fragmentation. SLUB can accomplish a higher object
590 density. It is usually better to use SLUB instead of SLOB. 587 density. It is usually better to use SLUB instead of SLOB.