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opnsense-src/include/os/linux/kernel/linux
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Brian Behlendorf 3e29e1971b
Linux 5.9 compat: NR_SLAB_RECLAIMABLE 
Commit dcdc12e added compatibility code to treat NR_SLAB_RECLAIMABLE_B
as if it were the same as NR_SLAB_RECLAIMABLE.  However, the new value
is in bytes while the old value was in pages which means they are not
interchangeable.

The only place the reclaimable slab size is used is as a component of
the calculation done by arc_free_memory().  This function returns the
amount of memory the ARC considers to be free or reclaimable at little
cost.  Rather than switch to a new interface to get this value it has
been removed it from the calculation.  It is normally a minor component
compared to the number of inactive or free pages, and removing it
aligns the behavior with the FreeBSD version of arc_free_memory().

Reviewed-by: Matthew Ahrens <mahrens@delphix.com>
Reviewed-by: Coleman Kane <ckane@colemankane.org>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #10834
2020-08-29 20:57:45 -07:00
..
blkdev_compat.h Linux 5.9 compat: make_request_fn replaced with submit_bio interface 2020-08-11 13:37:33 -07:00
compiler_compat.h OpenZFS restructuring - move platform specific headers 2019-09-05 09:34:54 -07:00
dcache_compat.h Linux compat: Minimum kernel version 3.10 2019-11-12 08:59:06 -08:00
kmap_compat.h Linux compat: Minimum kernel version 3.10 2019-11-12 08:59:06 -08:00
Makefile.am Avoid installing kernel headers on FreeBSD 2020-06-27 17:40:14 -07:00
mod_compat.h Update FreeBSD tunables 2020-04-15 11:14:47 -07:00
page_compat.h Linux 5.9 compat: NR_SLAB_RECLAIMABLE 2020-08-29 20:57:45 -07:00
percpu_compat.h Use percpu_counter for obj_alloc counter of Linux-backed caches 2020-06-26 18:06:50 -07:00
simd.h Add AltiVec RAID-Z 2020-01-23 11:01:24 -08:00
simd_aarch64.h Linux 4.14, 4.19, 5.0+ compat: SIMD save/restore 2019-10-24 10:17:33 -07:00
simd_powerpc.h Add AltiVec RAID-Z 2020-01-23 11:01:24 -08:00
simd_x86.h ICP: Improve AES-GCM performance 2020-02-10 12:59:50 -08:00
utsname_compat.h OpenZFS restructuring - move platform specific headers 2019-09-05 09:34:54 -07:00
vfs_compat.h Linux compat: Minimum kernel version 3.10 2019-11-12 08:59:06 -08:00
xattr_compat.h Linux compat: Minimum kernel version 3.10 2019-11-12 08:59:06 -08:00