a common usage for hash tables is for tracking exactly one instance of a pointer
for a given period of time, after which the table's entries are purged and it
is reused
this macro enables the purge phase of such usage to reset the table to a
pristine state, avoiding future rehashing due to ballooning of deleted entries
Reviewed-by: Adam Jackson <ajax@redhat.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/8498>
if the table is filled with deleted entries, we don't need to rzalloc+free an identical
block of memory for the table, we can just memset the existing one
the same applies to table clears without a function passed in that the table
doesn't need to be iterated and can just be memset
Reviewed-by: Eric Anholt <eric@anholt.net>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/8450>
assert()-based tests make no sense without asserts, so make sure asserts
are compiled in, even if the rest of the code has asserts turned off.
Signed-off-by: Eric Engestrom <eric.engestrom@intel.com>
Acked-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
