On Fri, Sep 25, 2015 at 07:57:53AM +0200, Vitaly Wool wrote: > From e219a88f4cd68842e7e04e37461aba6e06555d6a Mon Sep 17 00:00:00 2001 > From: Vitaly Vul <[email protected]> > Date: Tue, 22 Sep 2015 14:07:01 +0200 > Subject: [PATCH] zbud: allow up to PAGE_SIZE allocations > > Currently zbud is only capable of allocating not more than > PAGE_SIZE - ZHDR_SIZE_ALIGNED - CHUNK_SIZE. This is okay as > long as only zswap is using it, but other users of zbud may > (and likely will) want to allocate up to PAGE_SIZE. This patch > addresses that by skipping the creation of zbud internal > structure in the beginning of an allocated page. As a zbud page > is no longer guaranteed to contain zbud header, the following > changes have to be applied throughout the code: > * page->lru to be used for zbud page lists > * page->private to hold 'under_reclaim' flag > > page->private will also be used to indicate if this page contains > a zbud header in the beginning or not ('headless' flag). > > This patch incorporates minor fixups after Seth's comments. > > Signed-off-by: Vitaly Wool <[email protected]>
In previous thread, I saw this patch is part of "support zbud into zram" and commented out several times but have been ignored. So, what I can do is just Nacked-by: Minchan Kim <[email protected]> -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
