| From: |
| David Miller <davem@davemloft.net> |
| To: |
| akpm@linux-foundation.org |
| Subject: |
| Re: [PATCH prototype] [0/8] Predictive bitmaps for ELF executables |
| Date: |
| Wed, 19 Mar 2008 17:09:37 -0700 (PDT) |
| Message-ID: |
| <20080319.170937.247919863.davem@davemloft.net> |
| Cc: |
| drepper@gmail.com, andi@firstfloor.org,
linux-kernel@vger.kernel.org, linux-mm@kvack.org |
| Archive‑link: | |
Article |
From: Andrew Morton <akpm@linux-foundation.org>
Date: Wed, 19 Mar 2008 16:12:11 -0700
> I did some work on that many years ago and I do recall that it
> helped, but I forget how much.
I wrote such a patch ages ago as well.
Frankly, based upon my experiences then and what I know now, I think
it's a lose to do this.
Better to 1) have enough ram and 2) make the reclaim smarter about
important "executable" page cache pages.