From: Hugh Dickins <hugh@veritas.com>
Date: Sat, 3 Sep 2005 22:54:32 +0000 (-0700)
Subject: [PATCH] swap: correct swapfile nr_good_pages
X-Git-Tag: v2.6.14-rc1~988
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e2244ec2efa4ee1edf391d0001d314933e2b2974;p=pandora-kernel.git

[PATCH] swap: correct swapfile nr_good_pages

If a regular swapfile lies on a filesystem whose blocksize is less than
PAGE_SIZE, then setup_swap_extents may have to cut the number of usable swap
pages; but sys_swapon's nr_good_pages was not expecting that.  Also,
setup_swap_extents takes no account of badpages listed in the swap header: not
worth doing so, but ensure nr_badpages is 0 for a regular swapfile.

Signed-off-by: Hugh Dickins <hugh@veritas.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---

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