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(parent: 42a2722) | patch
powerpc/nohash: Refactor checking of no-change in pte_update()
authorChristophe Leroy <christophe.leroy@csgroup.eu>
Mon, 25 Sep 2023 18:31:27 +0000 (20:31 +0200)
committerMichael Ellerman <mpe@ellerman.id.au>
Thu, 19 Oct 2023 06:12:45 +0000 (17:12 +1100)
commit7c929ad0b3167e980a3963e03403a761138a4350
treeca215f5b8b95afb6e1289a15d3e6608d4ced6b63tree | snapshot
parent42a2722319f0d3d5612ca8efd3ce7d7eae512291commit | diff
powerpc/nohash: Refactor checking of no-change in pte_update()

On nohash/64, a few callers of pte_update() check if there is
really a change in order to avoid an unnecessary write.

Refactor that inside pte_update().

Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/076563e611c2b51036686a8d378bfd5ef1726341.1695659959.git.christophe.leroy@csgroup.eu
arch/powerpc/include/asm/nohash/64/pgtable.h diff | blob | blame | history
arch/powerpc/include/asm/nohash/pgtable.h diff | blob | blame | history
Linux 6.x block layer and io_uring tree(s)