linux

mirror of https://github.com/FEX-Emu/linux.git synced 2025-01-26 12:47:53 +00:00

History

Yinghai Lu 22c8ca2ac2 x86, mm: Add alloc_low_pages(num)

32bit kmap mapping needs pages to be used for low to high.
At this point those pages are still from pgt_buf_* from BRK, so it is
ok now.
But we want to move early_ioremap_page_table_range_init() out of
init_memory_mapping() and only call it one time later, that will
make page_table_range_init/page_table_kmap_check/alloc_low_page to
use memblock to get page.

memblock allocation for pages are from high to low.
So will get panic from page_table_kmap_check() that has BUG_ON to do
ordering checking.

This patch add alloc_low_pages to make it possible to allocate serveral
pages at first, and hand out pages one by one from low to high.

Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Link: http://lkml.kernel.org/r/1353123563-3103-28-git-send-email-yinghai@kernel.org
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>

2012-11-17 11:59:27 -08:00

alpha

…

arm

Two little fixes, one related to the move to sparse irq and

2012-11-16 16:43:58 +01:00

arm64

arm64: Distinguish between user and kernel XN bits

2012-11-16 15:50:25 +00:00

avr32

…

blackfin