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yaml
---
r: 72194
b: refs/heads/master
c: d09d276
h: refs/heads/master
v: v3
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Jens Axboe committed Oct 23, 2007
1 parent f704560 commit f348b09
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2 changes: 1 addition & 1 deletion [refs]
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---
refs/heads/master: 26da10784866974d3e87ba998c66458c305777ca
refs/heads/master: d09d276ebf62afdaed5f7bab6e7e340ffbde4dd1
8 changes: 4 additions & 4 deletions trunk/include/asm-frv/scatterlist.h
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#include <asm/types.h>

/*
* Drivers must set either ->address or (preferred) ->page and ->offset
* Drivers must set either ->address or (preferred) page and ->offset
* to indicate where data must be transferred to/from.
*
* Using ->page is recommended since it handles highmem data as well as
* Using page is recommended since it handles highmem data as well as
* low mem. ->address is restricted to data which has a virtual mapping, and
* it will go away in the future. Updating to ->page can be automated very
* it will go away in the future. Updating to page can be automated very
* easily -- something like
*
* sg->address = some_ptr;
*
* can be rewritten as
*
* sg->page = virt_to_page(some_ptr);
* sg_set_page(virt_to_page(some_ptr));
* sg->offset = (unsigned long) some_ptr & ~PAGE_MASK;
*
* and that's it. There's no excuse for not highmem enabling YOUR driver. /jens
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