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config: remove HAVE_KMEM_CACHE_CREATE_USERCOPY

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Sponsored-by: https://despairlabs.com/sponsor/
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Tony Hutter <hutter2@llnl.gov>
Reviewed-by: Tino Reichardt <milky-zfs@mcmilk.de>
Signed-off-by: Rob Norris <robn@despairlabs.com>
Closes #16479
This commit is contained in:
Rob Norris
2024-08-24 20:52:58 +10:00
committed by Brian Behlendorf
parent 536a0a8a84
commit 2c84b59e73
3 changed files with 0 additions and 60 deletions
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module/os/linux/spl/spl-kmem-cache.c
-17
View File
@@ -786,25 +786,8 @@ spl_kmem_cache_create(const char *name, size_t size, size_t align,
if (skc->skc_flags & KMC_RECLAIMABLE)
slabflags |= SLAB_RECLAIM_ACCOUNT;
#if defined(SLAB_USERCOPY)
/*
* Required for PAX-enabled kernels if the slab is to be
* used for copying between user and kernel space.
*/
slabflags |= SLAB_USERCOPY;
#endif
#if defined(HAVE_KMEM_CACHE_CREATE_USERCOPY)
/*
* Newer grsec patchset uses kmem_cache_create_usercopy()
* instead of SLAB_USERCOPY flag
*/
skc->skc_linux_cache = kmem_cache_create_usercopy(
skc->skc_name, size, align, slabflags, 0, size, NULL);
#else
skc->skc_linux_cache = kmem_cache_create(
skc->skc_name, size, align, slabflags, NULL);
#endif
if (skc->skc_linux_cache == NULL)
goto out;
}