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(parent: 17cf440) | patch
[PATCH] mm: prep_zero_page() in irq is a bug
authorAndrew Morton <akpm@osdl.org>
Wed, 22 Mar 2006 08:08:42 +0000 (00:08 -0800)
committerLinus Torvalds <torvalds@g5.osdl.org>
Wed, 22 Mar 2006 15:54:02 +0000 (07:54 -0800)
commit6626c5d53bc45c59798628677ba5606f02e371f3
tree7be40e7709b1887648a649fd6b5c036638c4608btree | snapshot
parent17cf44064ae744f081309108fa67f0e942b10167commit | diff
[PATCH] mm: prep_zero_page() in irq is a bug

prep_zero_page() uses KM_USER0 and hence may not be used from IRQ context, at
least for highmem pages.

Cc: Nick Piggin <nickpiggin@yahoo.com.au>
Cc: Christoph Lameter <christoph@lameter.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
mm/page_alloc.c diff | blob | blame | history
Linux 6.x block layer and io_uring tree(s)