map a RAM window of size 896 MB into the kernel linear address space."
> >> >
> >> > Why is there a need to map the whole RAM into the kernel space (the
> usage of
> >> > the word "entirely") ? Shouldn't it be only LOW_MEM ? Or am I
> confusing
only LOW_MEM ? Or am I
confusing the
>> > two things here ?
>> >
>> >
>> > I believe all doubts are pointing to the concepts of LOW_MEM and
HIGH_MEM,
>> > but I'm still not being able to wrap my head around them.
>> >
>> > Thanks,
>
>
> > On Thu, Mar 12, 2015 at 11:49 PM, Jeff Haran
> wrote:
> >>
> >> -Original Message-
> >> From: kernelnewbies-boun...@kernelnewbies.org
> >> [mailto:kernelnewbies-boun...@kernelnewbies.org] On Behalf Of Arun KS
> >> Sent: Thursday,
ks,
> Sunny
>
> On Thu, Mar 12, 2015 at 11:49 PM, Jeff Haran wrote:
>>
>> -Original Message-
>> From: kernelnewbies-boun...@kernelnewbies.org
>> [mailto:kernelnewbies-boun...@kernelnewbies.org] On Behalf Of Arun KS
>> Sent: Thursday, March 12, 2015
ch 12, 2015 11:03 AM
> To: Sunny Shah
> Cc: kernelnewbies
> Subject: Re: Understanding the mapping of physical memory to kernel
> address space
>
> Hello Sunny,
>
> On Thu, Mar 12, 2015 at 10:32 PM, Sunny Shah
> wrote:
> > Hello,
> >
> > This is my firs
-Original Message-
From: kernelnewbies-boun...@kernelnewbies.org
[mailto:kernelnewbies-boun...@kernelnewbies.org] On Behalf Of Arun KS
Sent: Thursday, March 12, 2015 11:03 AM
To: Sunny Shah
Cc: kernelnewbies
Subject: Re: Understanding the mapping of physical memory to kernel address
Hello Sunny,
On Thu, Mar 12, 2015 at 10:32 PM, Sunny Shah wrote:
> Hello,
>
> This is my first mail on this list, so please let me know if I'm erring.
>
> I'm reading Bovet and Cesati's "Understanding the Linux Kernel",
> specifically the chapter "Memory Addressing", sub-section "Kernel Page
> Ta
On 12-Mar-2015, at 10:02 am, Sunny Shah wrote:
> Hello,
>
> This is my first mail on this list, so please let me know if I'm erring.
>
> I'm reading Bovet and Cesati's "Understanding the Linux Kernel", specifically
> the chapter "Memory Addressing", sub-section "Kernel Page Tables". Here the
Hello,
This is my first mail on this list, so please let me know if I'm erring.
I'm reading Bovet and Cesati's "Understanding the Linux Kernel",
specifically the chapter "Memory Addressing", sub-section "Kernel Page
Tables". Here they describe how Linux initializes its page tables for
various RAM