tree fb4aca715702ba76edb95424fd2a573fa3ed6a28
parent b817f7e020958c8f79842076c137daa6f72eb366
author Paul Mundt <lethal@linux-sh.org> 1221909693 +0900
committer Paul Mundt <lethal@linux-sh.org> 1221909693 +0900

sh: Support kernel stacks smaller than a page.

This follows the powerpc commit f6a616800e68b61807d0f7bb0d5dc70665ef8046
'[POWERPC] Fix kernel stack allocation alignment'.

SH has traditionally forced the thread order to be relative to the page
size, so there were never any situations where the same bug was
triggered by slub. Regardless, the usage of > 8kB stacks for the larger
page sizes is overkill, so we switch to using slab allocations there,
as per the powerpc change.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>