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Re: [PATCH] fs/file.c: __const_max is actually __const_min :-)

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On Thu, Oct 29 2015, Albino B Neto <bino@bino.us> wrote:

> 2015-10-29 9:01 GMT-02:00 Rasmus Villemoes <linux@rasmusvillemoes.dk>:
>> 7f4b36f9bb930 "get rid of files_defer_init()" inexplicably changed a
>> min() to a __const_max() - but the __const_max macro actually gives
>> the minimum... So no functional change, just less confusing naming.
>>
>> Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
>> ---
>>  fs/file.c | 6 +++---
>>  1 file changed, 3 insertions(+), 3 deletions(-)
>>
>> diff --git a/fs/file.c b/fs/file.c
>> index 6c672ad329e9..b2d74f6001eb 100644
>> --- a/fs/file.c
>> +++ b/fs/file.c
>> @@ -25,9 +25,9 @@
>>
>>  int sysctl_nr_open __read_mostly = 1024*1024;
>>  int sysctl_nr_open_min = BITS_PER_LONG;
>> -/* our max() is unusable in constant expressions ;-/ */
>> -#define __const_max(x, y) ((x) < (y) ? (x) : (y))
>> -int sysctl_nr_open_max = __const_max(INT_MAX, ~(size_t)0/sizeof(void *)) &
>> +/* our min() is unusable in constant expressions ;-/ */
>> +#define __const_min(x, y) ((x) < (y) ? (x) : (y))
>> +int sysctl_nr_open_max = __const_min(INT_MAX, ~(size_t)0/sizeof(void *)) &
>>                          -BITS_PER_LONG;
>>
>>  static void *alloc_fdmem(size_t size)
>
> Confused code or no ?

The code is fine, the macro name sucks. Al, ping?
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Re: [PATCH] fs/file.c: __const_max is actually __const_min :-) Rasmus Villemoes <linux@rasmusvillemoes.dk> - 2015-11-23 22:40 +0100

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