Messages in this thread | | | Date | Wed, 7 Apr 1999 00:31:55 +0200 (CEST) | From | Andrea Arcangeli <> | Subject | Re: [patch] arca-vm-2.2.5 |
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On Tue, 6 Apr 1999, Stephen C. Tweedie wrote:
>> -#define i (((unsigned long) inode)/(sizeof(struct inode) & ~ (sizeof(struct inode) - 1))) >> +#define i (((unsigned long) inode-PAGE_OFFSET)/(sizeof(struct inode) & ~ (sizeof(struct inode) - 1))) > >This just ends up adding or subtracting a constant to the hash function, >so won't have any effect at all on the occupancy distribution of the >hash buckets.
My point is that PAGE_HASH_BITS is < of 32/2.
Andrea Arcangeli
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