Messages in this thread | | | Date | Mon, 24 Aug 2009 10:02:08 +0800 | From | Amerigo Wang <> | Subject | Re: [Patch 1/8] kexec: allow to shrink reserved memory |
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Eric W. Biederman wrote: > Amerigo Wang <amwang@redhat.com> writes: > > >> + >> + start = roundup(start, PAGE_SIZE); >> + end = roundup(start + new_size, PAGE_SIZE); >> + >> + for (addr = end; addr < crashk_res.end; addr += PAGE_SIZE) { >> + ClearPageReserved(pfn_to_page(addr >> PAGE_SHIFT)); >> + init_page_count(pfn_to_page(addr >> PAGE_SHIFT)); >> + free_page((unsigned long)__va(addr)); >> + totalram_pages++; >> > > Any chance we can move this inline snippet into a helper function in > -mm. To expose what is happening here to the mm developers. > >
Yes, I believe so. In fact I also wanted to do this, but I forgot before I sent these patches... Will do it in the next version.
Thanks.
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