[lkml]   [2011]   [May]   [22]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: Adding an ugliness in __read_cache_page()?
On Sun, May 22, 2011 at 3:25 PM, Hugh Dickins <> wrote:
> But drivers/gpu/drm i915 and ttm are using read_cache_page_gfp() or
> read_mapping_page() on tmpfs: on objects created by shmem_file_setup().
> Nothing else uses read_cache_page_gfp().  I cannot find anything else
> using read_mapping_page() on tmpfs, but wonder if something might be
> out there.  Stacked filesystems appear not to go that way nowadays.
> Would it be better to make i915 and ttm call shmem_read_cache_page()
> directly?  Perhaps removing the then unused read_cache_page_gfp(), or
> perhaps not: may still be needed for i915 and ttm on tiny !SHMEM ramfs.

I would certainly prefer the "make i915 and ttm call
shmem_read_cache_page directly" approach over putting some nasty hack
in __read_cache_page.

To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to
More majordomo info at
Please read the FAQ at

 \ /
  Last update: 2011-05-23 01:49    [W:0.037 / U:0.360 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site