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powerpc/64s/hash: Add SLB allocation status bitmaps
authorNicholas Piggin <npiggin@gmail.com>
Fri, 14 Sep 2018 15:30:53 +0000 (01:30 +1000)
committerMichael Ellerman <mpe@ellerman.id.au>
Sun, 14 Oct 2018 07:04:09 +0000 (18:04 +1100)
commitc859c1c80115947617c582ac1ceb6af1f92ebf56
tree9b9669196fcbd1caa75ddf85f1eb65b7718e2333tree | snapshot
parente45d5ac017a5827978cac866542287afc89b43cecommit | diff
powerpc/64s/hash: Add SLB allocation status bitmaps

Add 32-entry bitmaps to track the allocation status of the first 32
SLB entries, and whether they are user or kernel entries. These are
used to allocate free SLB entries first, before resorting to the round
robin allocator.

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
arch/powerpc/include/asm/paca.h diff | blob | history
arch/powerpc/kernel/asm-offsets.c diff | blob | history
arch/powerpc/mm/slb.c diff | blob | history
arch/powerpc/xmon/xmon.c diff | blob | history
Linux Kernel Source Tree.