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Merge branch 'slab/for-6.1/slub_debug_waste' into slab/for-next

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A patch from Feng Tang that enhances the existing debugfs alloc_traces
file for kmalloc caches with information about how much space is wasted
by allocations that needs less space than the particular kmalloc cache
provides.
This commit is contained in:
Vlastimil Babka
2022-09-29 11:28:26 +02:00
parent 0bdcef54a2 6edf2576a6
commit af961f8059
4 changed files with 142 additions and 50 deletions
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2
include/linux/slab.h
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@@ -29,6 +29,8 @@
#define SLAB_RED_ZONE ((slab_flags_t __force)0x00000400U)
/* DEBUG: Poison objects */
#define SLAB_POISON ((slab_flags_t __force)0x00000800U)
/* Indicate a kmalloc slab */
#define SLAB_KMALLOC ((slab_flags_t __force)0x00001000U)
/* Align objs on cache lines */
#define SLAB_HWCACHE_ALIGN ((slab_flags_t __force)0x00002000U)
/* Use GFP_DMA memory */