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author | Yury Norov <yury.norov@gmail.com> | 2021-08-14 23:17:03 +0200 |
---|---|---|
committer | Yury Norov <yury.norov@gmail.com> | 2022-01-15 17:47:31 +0100 |
commit | b5c7e7ec7d3418af2544452b45cc67297c857a86 (patch) | |
tree | 1b2d0bd3d0852b65d73b65982d4b8f69c27703e7 /arch | |
parent | cpumask: use find_first_and_bit() (diff) | |
download | linux-b5c7e7ec7d3418af2544452b45cc67297c857a86.tar.xz linux-b5c7e7ec7d3418af2544452b45cc67297c857a86.zip |
all: replace find_next{,_zero}_bit with find_first{,_zero}_bit where appropriate
find_first{,_zero}_bit is a more effective analogue of 'next' version if
start == 0. This patch replaces 'next' with 'first' where things look
trivial.
Signed-off-by: Yury Norov <yury.norov@gmail.com>
Tested-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Diffstat (limited to 'arch')
-rw-r--r-- | arch/powerpc/platforms/pasemi/dma_lib.c | 4 | ||||
-rw-r--r-- | arch/s390/kvm/kvm-s390.c | 2 |
2 files changed, 3 insertions, 3 deletions
diff --git a/arch/powerpc/platforms/pasemi/dma_lib.c b/arch/powerpc/platforms/pasemi/dma_lib.c index 270fa3c0d372..26427311fc72 100644 --- a/arch/powerpc/platforms/pasemi/dma_lib.c +++ b/arch/powerpc/platforms/pasemi/dma_lib.c @@ -375,7 +375,7 @@ int pasemi_dma_alloc_flag(void) int bit; retry: - bit = find_next_bit(flags_free, MAX_FLAGS, 0); + bit = find_first_bit(flags_free, MAX_FLAGS); if (bit >= MAX_FLAGS) return -ENOSPC; if (!test_and_clear_bit(bit, flags_free)) @@ -440,7 +440,7 @@ int pasemi_dma_alloc_fun(void) int bit; retry: - bit = find_next_bit(fun_free, MAX_FLAGS, 0); + bit = find_first_bit(fun_free, MAX_FLAGS); if (bit >= MAX_FLAGS) return -ENOSPC; if (!test_and_clear_bit(bit, fun_free)) diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c index 14a18ba5ff2c..9aba96d621b9 100644 --- a/arch/s390/kvm/kvm-s390.c +++ b/arch/s390/kvm/kvm-s390.c @@ -2021,7 +2021,7 @@ static unsigned long kvm_s390_next_dirty_cmma(struct kvm_memslots *slots, while ((slotidx > 0) && (ofs >= ms->npages)) { slotidx--; ms = slots->memslots + slotidx; - ofs = find_next_bit(kvm_second_dirty_bitmap(ms), ms->npages, 0); + ofs = find_first_bit(kvm_second_dirty_bitmap(ms), ms->npages); } return ms->base_gfn + ofs; } |