A-Team_Digital_Solutions/android_kernel_motorola_sm6375
Watch
2
0
Fork
You've already forked android_kernel_motorola_sm6375
 0
mirror of https://github.com/BobTheBlinker/android_kernel_motorola_sm6375.git synced 2026-10-29 19:21:31 -04:00
Code Issues Projects Releases Packages Wiki Activity

mm: replace various uses of num_physpages by totalram_pages

Browse source 
Sizing of memory allocations shouldn't depend on the number of physical
pages found in a system, as that generally includes (perhaps a huge amount
of) non-RAM pages.  The amount of what actually is usable as storage
should instead be used as a basis here.

Some of the calculations (i.e.  those not intending to use high memory)
should likely even use (totalram_pages - totalhigh_pages).

Signed-off-by: Jan Beulich <[email protected]>
Acked-by: Rusty Russell <[email protected]>
Acked-by: Ingo Molnar <[email protected]>
Cc: Dave Airlie <[email protected]>
Cc: Kyle McMartin <[email protected]>
Cc: Jeremy Fitzhardinge <[email protected]>
Cc: Pekka Enberg <[email protected]>
Cc: Hugh Dickins <[email protected]>
Cc: "David S. Miller" <[email protected]>
Cc: Patrick McHardy <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Jan Beulich 2009-09-21 17:03:05 -07:00 • committed by Linus Torvalds
commit 4481374ce8
21 changed files with 38 additions and 41 deletions
Download patch file Download diff file Expand all files Collapse all files

4
drivers/parisc/ccio-dma.c
View file

@ -1266,7 +1266,7 @@ ccio_ioc_init(struct ioc *ioc)
** Hot-Plug/Removal of PCI cards. (aka PCI OLARD).
*/
iova_space_size = (u32) (num_physpages / count_parisc_driver(&ccio_driver));
iova_space_size = (u32) (totalram_pages / count_parisc_driver(&ccio_driver));
/* limit IOVA space size to 1MB-1GB */
@ -1305,7 +1305,7 @@ ccio_ioc_init(struct ioc *ioc)
DBG_INIT("%s() hpa 0x%p mem %luMB IOV %dMB (%d bits)\n",
__func__, ioc->ioc_regs,
(unsigned long) num_physpages >> (20 - PAGE_SHIFT),
(unsigned long) totalram_pages >> (20 - PAGE_SHIFT),
iova_space_size>>20,
iov_order + PAGE_SHIFT);

4
drivers/parisc/sba_iommu.c
View file

@ -1390,7 +1390,7 @@ sba_ioc_init(struct parisc_device *sba, struct ioc *ioc, int ioc_num)
** for DMA hints - ergo only 30 bits max.
*/
iova_space_size = (u32) (num_physpages/global_ioc_cnt);
iova_space_size = (u32) (totalram_pages/global_ioc_cnt);
/* limit IOVA space size to 1MB-1GB */
if (iova_space_size < (1 << (20 - PAGE_SHIFT))) {
@ -1415,7 +1415,7 @@ sba_ioc_init(struct parisc_device *sba, struct ioc *ioc, int ioc_num)
DBG_INIT("%s() hpa 0x%lx mem %ldMB IOV %dMB (%d bits)\n",
__func__,
ioc->ioc_hpa,
(unsigned long) num_physpages >> (20 - PAGE_SHIFT),
(unsigned long) totalram_pages >> (20 - PAGE_SHIFT),
iova_space_size>>20,
iov_order + PAGE_SHIFT);