The patch titled kernel/kfifo.c: replace conditional test with is_power_of_2() has been added to the -mm tree. Its filename is kernel-kfifoc-replace-conditional-test-with-is_power_of_2.patch Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/SubmitChecklist when testing your code *** See http://userweb.kernel.org/~akpm/stuff/added-to-mm.txt to find out what to do about this The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/ ------------------------------------------------------ Subject: kernel/kfifo.c: replace conditional test with is_power_of_2() From: "Robert P. J. Day" <rpjday@xxxxxxxxxxxxxx> Signed-off-by: Robert P. J. Day <rpjday@xxxxxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- kernel/kfifo.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff -puN kernel/kfifo.c~kernel-kfifoc-replace-conditional-test-with-is_power_of_2 kernel/kfifo.c --- a/kernel/kfifo.c~kernel-kfifoc-replace-conditional-test-with-is_power_of_2 +++ a/kernel/kfifo.c @@ -74,7 +74,7 @@ struct kfifo *kfifo_alloc(unsigned int s * round up to the next power of 2, since our 'let the indices * wrap' tachnique works only in this case. */ - if (size & (size - 1)) { + if (!is_power_of_2(size)) { BUG_ON(size > 0x80000000); size = roundup_pow_of_two(size); } _ Patches currently in -mm which might be from rpjday@xxxxxxxxxxxxxx are origin.patch linux-next.patch kvm-expand-on-help-info-to-specify-kvm-intel-and-amd-module-names.patch mm-rewrite-some-tests-with-is_power_of_2-for-clarity.patch kernel-kfifoc-replace-conditional-test-with-is_power_of_2.patch -- To unsubscribe from this list: send the line "unsubscribe mm-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html