diff options
author | David S. Miller <davem@davemloft.net> | 2011-06-21 07:29:08 +0200 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2011-06-21 07:29:08 +0200 |
commit | 9f6ec8d697c08963d83880ccd35c13c5ace716ea (patch) | |
tree | ad8d93cf6fcdd09b86ade09f5fcbbc66cdb1cca2 /arch/powerpc/mm/mem.c | |
parent | gianfar v5: implement nfc (diff) | |
parent | Linux 3.0-rc4 (diff) | |
download | linux-9f6ec8d697c08963d83880ccd35c13c5ace716ea.tar.xz linux-9f6ec8d697c08963d83880ccd35c13c5ace716ea.zip |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts:
drivers/net/wireless/iwlwifi/iwl-agn-rxon.c
drivers/net/wireless/rtlwifi/pci.c
net/netfilter/ipvs/ip_vs_core.c
Diffstat (limited to 'arch/powerpc/mm/mem.c')
-rw-r--r-- | arch/powerpc/mm/mem.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/arch/powerpc/mm/mem.c b/arch/powerpc/mm/mem.c index 57e545b84bf1..29d4dde65c45 100644 --- a/arch/powerpc/mm/mem.c +++ b/arch/powerpc/mm/mem.c @@ -382,6 +382,25 @@ void __init mem_init(void) mem_init_done = 1; } +#ifdef CONFIG_BLK_DEV_INITRD +void __init free_initrd_mem(unsigned long start, unsigned long end) +{ + if (start >= end) + return; + + start = _ALIGN_DOWN(start, PAGE_SIZE); + end = _ALIGN_UP(end, PAGE_SIZE); + pr_info("Freeing initrd memory: %ldk freed\n", (end - start) >> 10); + + for (; start < end; start += PAGE_SIZE) { + ClearPageReserved(virt_to_page(start)); + init_page_count(virt_to_page(start)); + free_page(start); + totalram_pages++; + } +} +#endif + /* * This is called when a page has been modified by the kernel. * It just marks the page as not i-cache clean. We do the i-cache |