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This adds the kvzalloc() function and allows it to remove the
lib-rhashtable.patch patch.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
[fix commit message kzalloc -> kvzalloc]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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No manual changes needed.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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The alloc/free_bucket_spinlocks() functions were moved to a new lib
file, namely bucket_locks.c. Add an auto-backport for the
bucket_locks.c file and move the patching of the code that moved from
rhashtable to bucket_locks.c.
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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This reverts commit 12e8fd6fd3802 ("lib/rhashtable.c: use kvzalloc() in
bucket_table_alloc() when possible") from upstream kernel.
Kernel versions older that 4.12 do not have kvzalloc() try to avoid the
usage of this.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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The file compat/lib-rhashtable.c is a copy from the backported kernel
source lib/rhashtable.c. This patch reverts a recent change to that
file, ie. commit 43ca5bc4f72e ("lib/rhashtable.c: simplify a strange
allocation pattern"). It introduced the function gfpflags_allow_blocking()
introduced in 4.4 kernel and kvmalloc() introduced in 4.12-rc1. Looking
at those functions backporting them is complicated so instead add this
patch that reverts the change for kernel prior to 4.12.
Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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