| commit | 1b3cb73f7306f97a68fa973dec9f3c3b68bd29cf | [log] [tgz] |
|---|---|---|
| author | Russell King <rmk@dyn-67.arm.linux.org.uk> | Thu Sep 15 15:17:59 2005 +0100 |
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | Thu Sep 15 15:17:59 2005 +0100 |
| tree | b88e67dcdce66832980245bcc450233599f857d0 | |
| parent | 13b9d47ed36e8019a99c798b84c341ef75868e02 [diff] |
[ARM] Tighten pfn_valid() test. Thomas Gleixner reported that mmaping and unmapping each physical page in turn eventually caused the kernel to oops. It appears that pfn_valid() in the discontigmem case was too simplistic for proper operation. Tighten the logic so we also check if the PFN is within the range of the selected memory node. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>